BN-SP-B1 Building Specification (Standard)

Table of Contents

 

1. General Provisions

1.1. General

This specificationcovers the minimum requirements for the design, supply andconstruction of utilitarian building for

The above is onlya general description of the project and does not purport to describethe project completely.

Where referred toherein:

“The employer” = shall mean Company

“The engineer” = shall mean the employer’sconstruction “Superintendent”, or such person or personsas he may delegate to act on his behalf.

“The contractor” = shall mean the Sub-contractor selectedby the employer to carry out the work covered by this specification.

This specificationshall be read in conjunction with the relevant drawings andspecifications referred to in the requisitions. In the event ofconflict between the specification and the drawing, the employershall be consulted for clarification of the discrepancy.

Materials andconstruction not fully covered by this specification, the requisitionor the drawings shall conform to good building practice. In case ofdoubt the employer shall be consulted for a ruling. Where a materialmanufacturer issues laying or fixing instructions for his supplies,than these instructions shall be complied with in full.

Where local codesand regulations are more stringent than the provisions of thisspecification these shall prevail.

1.2. Applicable Codes and Regulations

In so far as thetechnical specifications do not state otherwise, the issue of thefollowing regulations do apply as if they form part of thisspecification.

1. The local building regulations.

2. The local regulations of the gas, water and electrical institutions.

3. The owners manual for safety rules and procedures for contractors.

4. The terms and conditions applicable to orders for field labor and to purchase orders including site erection, construction, fabrication or installation.

1.3. Weather Protection

The contractorshall at all times provide protection against the weather: rain,wind, storms, frost or heat as to mountain all work materials,apparatus, equipment and fixtures free from injury or damage. At theend of the days work, all work likely to be damaged shall beprotected.

The contractorshall remove snow and ice as may be required for the properprotection and/or execution of the work. During cold weather, thecontractor shall protect all work from damage. If low temperaturesmake it impossible to continue the operations safely in spite of coldweather precautions, the contractor shall cease work and so notifythe employer’s representative.

1.4. Horizontal and Vertical Control Points

The contractorshall use existing horizontal and vertical control points in allconstruction work. The employer will establish two bench marks givingboth plant vertical and horizontal control, on site.

1.5. Grit Blasting

Grit blasting willnot be permitted at the job site. An area near the job site will bedesignated where grit blasting will be permitted.

1.6. Fire Protection

The contractorshall make all necessary arrangements for proper fire protectionduring the construction phase.

Fire, lanes andaccess roads shall not be blocked by contractor’s equipmentafter working hours. During working hours, contractor must be able toclear fire lanes and access roads quickly at any time.

1.7. The term = approved alternate = shall be understood to mean an alternate approved by employer or engineer. It shall be contractor’s responsibility to make sure that written agreements on alternates are in his hands before construction will be started.

Disapprovedmaterials, constructions and the like, and alternates not accepted inwriting shall be replaced by contractor.

Disapproved and damaged materialsshall be removed from the site by contractor on direction of theengineer.

The term lightweight steel mean: steel not over 22 kg/ml

The term =rustproofed = shall be understood to mean the specific system ofcorrosion protection for the item described. This shall include butis not limited to:

galvanizing

chromium plating

sherardizing

cadmium plating

painting and stoveenamelling

anodic oxidation

2. Quality of Materials and Workmanship 2.1Excavation and Backfill

Shall in all respects meet the requirements of Company specifications SP.BN.

2.2. Reinforced Concrete Foundations

Shall in all respects meet the requirements of Company specification SP.BN.

2.3. Reinforced Concrete Framing

Shall in all respects meet the requirements of Company specifications SP.BN.

3. Precast Concrete

Cement andaggregate shall be in accordance with the civil specification.Precast roof - and floor elements to be installed and anchoredaccording manufacturers instruction and calculations.

3.1. Mould Construction

Moulds shall bemade to produce items of the overall sizes and profiles shown on thedrawings. Moulds shall be so designed that they can be taken apartand reassembled readily. Timber for mould construction shall be soundwell-seasoned timber of such quality and strength as will ensurerigidity throughout the placing, ramming and vibrating of theconcrete without visible deflection. The moulds shall be soconstructed that they can be removed without shock to or deformationof the concrete.

All joints shallbe sufficiently tight to prevent leakage. All visible surfaces shallbe covered with special treated ply-wood so that the inside faces aretrue, smooth and free from winding or other irregularities and willproduce unblemished surfaces and true sharp arrises.

3.2. Marking

All units shallhave impressed on them, on a face which will not be exposed in thepermanent works, the date of manufacture and such distinguishingletters or numbers as are shown on the detail drawings.

3.3. Curing and Maturing

Precast concreteshall be cured and matured as follows:

The sizes of themoulds may be removed after 36 hours provided the concrete isthoroughly set. All concrete surfaces shall be thoroughly wetted forat least 10 days during which time surfaces shall be kept coveredwith hessian or other approved material. Slinging, transport orstacking may take place 10 days after casting. Building into the workshall not be permitted until 28 days after casting, by which time theconcrete must have attained a minimum strength of 275 kg/sq.cm. Allprecast concrete units shall be made with mechanical vibratedconcrete.

4. Structural Steel Building Frames -Siding and Roofdeck

The steel framing shall be designed to comply with the requirements of Company specification. All conditions of loading stated therein shall be strictly adhered to.

4.1. Built-in Steel

Where structuralsteel is shown to be built into masonry, it shall be given aprotected coating of bituminous paint. Where steel is completelyencased in concrete, the paint can be eliminated.

5. Masonry

5.1. General

Type and qualityof bricks and blocks shall meet the requirements as described in therequisition per building. The contractor shall submit samples ofbricks and blocks, which are included in his prices. Contractor isrequested to give name of manufacturer, prices of bricks and blocksper 1000, and printed documentation of these materials.

All walls shall bebuilt-up to heights and thickness as shown on drawings. Whole bricksshall be used except where bats are required for bonds. Working ofbricks or blocks into required dimensions is included

5.2. Stacking of Bricks

Facing bricksshall be unloaded and stacked by hand, or mechanical lifting onproper platforms, protected against weather and damages untilrequired for use.

Precast concreteblocks shall be stacked vertically with an adequate air space onproper platforms and shall be kept in dry condition at all times.

Sand line (calciumsilicate ) common bricks shall be obtained from an approved sourceand shall be kept in dry position at all times.

5.3. Saturation of Bricks

All bricks shallbe well soaked with water before use, not more than 10 minutes priorto laying. Where work has temporarily been stopped, top of wallsshall be well wetted before work is recommenced. When frost isexcepted bricks will not be soaked before laying and walls shall beprotected properly to avoid freezing. Where blocks shall be workeddry, then the work shall be executed according to manufacturer’swritten recommendation.

5.4. Brickwork

All brickworkshall be set out and built to the dimensions, thickness and heightsshown on drawings and laid in mortar, unless otherwise specifiedhereafter. All bricks shall be well buttered with mortar before beinglaid and joints thoroughly filled with mortar as the work proceeds.

Brickwork shall becarried out in a uniform manner, no one portion rising more than 1.50m above another at a particular time.

Freestandingbricked up walls shall be protected against wind loads by means ofbracing to avoid deformation. Deformed masonry shall not be acceptedand shall be demolished.

At intersections,except as otherwise detailed on the drawings, walls shall be properlytoothed and bonded with each other. All quoins of faced brickworkshall be built in selected, perfectly square bricks, cuts to bestraight, vertical joints showing one line from top to bottom,horizontal joints straight and parallel.

The whole shall bekept strictly true and square, leveled around at each rooflevelwithout peeled off edges. Faced work shall be kept clean and shall bewashed and brushed down on completion.

5.5. Protection

Brickwork, brickface work and blockwork shall be protected against excessive drying,inclement weather, temperature extremes and vibrations during thesetting of the mortar.

5.6. Joints

External andinternal faced brickwork shall be pointed, flush, struck or recessedas specified, after completion of masonry.

Mortar forpointing shall be of 1 part cement and 3 parts of sand.

Walls to bepointed shall be cleaned and wetted before receiving any pointing.Where plaster surfaces are called for, the joints should be raked outto form a key.

5.7. Cavity Walls

The outer leavesof cavity walls to be built in half brick bond, minimum thickness tobe 10 cm.

The outer leavesto be bonded together to the inner leaves with galvanized steel tieswith drip centers, spaced 900 mm apart horizontally and 450 mmvertically and staggered, and with extra ties at reveals andopenings.

The ties are to belaid carefully so that they do not fall towards the inner leaf of thewalls. All cavities shall be kept perfectly clean and clear of mortardroppings and debris by means of lifting battens. Opening shall beleft at the base of cavity walls, and the cavities shall be cleanedout at the completion of the works. After cleaning, the openingsshall be bricked up uniformly with the surrounding brickwork. Everyfourth perpend. shall be raked out at grade and over lintels fordraining the cavity.

Interior leaves ofcavity walls to be built in half brick bond. The cavity side to beflush and smooth plastered with a wooden float in the same mortar asused for the masonry. At all places, where interior and exteriorleaves of cavity walls are in contact with each other, a waterprooffoil or strip shall be installed. The foil to be lead or lodoriet,the strips to be of heavy asphalt coated galvanized sheet metal,hard-plastic, or two sides glazed asbestos cement.

5.8. Interior - and Partition Walls

Interior walls andpartition walls shall be executed in accordance to the drawings anddescription under “Brickwork generally”.

5.9. Reinforced Walls

Reinforced wallsto be reinforced by galvanized steel strip of 1.5 mm x 25 mm, one rowfor every half brick in the thickness of the wall, and at every thirdcourse jointed at junctions and angles.

Piecing of stripsshall be avoided as far as possible.

5.10. Dampproof Coursing

Dampproofing shallbe of an approved manufacture, lapped at least 75 mm at angles andintersections and shall be laid on a level bed of cement-mortarneatly pointed where exposed. It shall be provided between grade andground floor and in all positions shown on the detailed drawings andshall extend for the full thickness of the walls, unless otherwiseindicated.

5.11. Sundries and Building-in

Brickwork shall becut and fitted around steelwork as required, leaving or forming allnecessary chases, raking out all joints for flashing etc., andrepointing all such raked-out joints in cement-mortar. All precastconcrete lintels, sills, thresholds, etc. shall be built-in or cutand pinned in cement-mortar. All door - and window frames and thelike in brickwork shall be secured with rustproofed steel lugswherever required.

5.12. Work in Cold Weather

Buildingactivities shall cease when the air temperature falls below 3^oCon a falling thermometer or remains below 1^oC on a risingthermometer or while any of the materials remains frost bound, exceptin case written permission of the employer was obtained.

5.13. Cement

Cement shall bePortland cement, delivered to the site in sealed and branded bags,kept dry and used in rotation of delivery.

Bulk cement shallbe delivered to the site in special for cement transport designedcontainers and stored in a suitable silo. A test certificate shall besupplied on request.

5.14. Sand for Mortar

Sand shall beclean - sharp river - sand, free from loam, clay and other impuritiesand screened.

6. Siding

6.1. Handling, Installation and Workmanship

Before sendingmaterial and starting work, subcontractor shall verify governingdimensions at project site. Examine adjoining work on which his worksis in anyway dependent for its required installation.

Wall panels shallbe transported and handled, also during installation, carefully bymethods approved by employer, to avoid damages. Panels shall be freeof peels, cracks, scratches, dents, ripples or other imperfections.Damaged panels shall be replaced by subcontractor at his own expense.

All items shall beinstalled plumb, straight, square, level and in proper elevation,plane location and alignment with other work. All work shall bedesigned for adjustment to field variations, fitted with properjoints, overlaps in horizontal and vertical directions, adequatelyanchored in place. Metal panels shall be sufficiently riveted inbetween the supporting members. Workmanship and finishes, shall befirst class in every particular, strictly in accordance with bestpractice and to full approval of the employer. Connections shall bemade without damage to structural members. Siding shall allow forcutting around pipes, louvres, support or whatever. Cutting will bestraight and finished to a shape according to the requireddimensions. The siding shall include for corner pieces, flashings orother auxiliary pieces and additional light weight steel to completethe work to the satisfaction of the employer. Any expense incurredbecause subcontractor’s lack of workmanship will be borne bysubcontractor.

Sheets shall bestored dry and horizontally on site and piled on wood platforms toavoid cracks, damages and keep the sheets clean.

6.2. Manufacture of Panels

General

The panels used for construction shall be same in every respect as offered in the bid documents. A deviation from this specification will only be accepted when subcontractor has specified this with his tender and Company has specifically accepted the deviation in writing.

Contractor shall be responsible for verifying that he has Company’s written acceptance of agreed deviations.

6.3. Minimum Requirements

Outside panels

Material

Minimum thickness

Type

Finish (outside:

(inside:

Colour (outside:

(inside:

Type of fasteners

Spacing offasteners (horizontal:

(vertical :

Seal type

Filter type

Inside panels

Material

Minimum thickness

Type

Finish

Colour

Type of fasteners

Spacing offasteners (horizontal:

(vertical :

Seal type

Filter type

6.4. Insulation

Material

Thickness

Fastener

6.5. Finishing

Method of fixingshall conform to the recommendation of the manufacturer. Therecommended method shall at any time be understood as the minimumrequirements for the installation and deviation shall be mentioned inthis specification. Passages through siding, projections and openingsshall be made water- and windtight all around. Cutting in sidingshall not be allowed to enable the installation of hinges and thelike.

Where materialshave been cut, all cuttings to be coated with colour matching paintto avoid corrosion.

All overlaps inaccordance with manufacturers written instructions.

Siding shall forma watertight unit.

Afterinstallation is completed, the whole will be cleaned, damaged partsreplaced and left in a good condition. Any patching up shall be doneafter approval and as directed by the engineer.

Fillers or sealsto be installed at the top and bottom of walls, openings andinterruptions and where otherwise, shown on the drawings.

The work will notbe considered complete until subcontractor has removed all, debris,tools equipment, surplus materials (pertaining to his contract) fromthe site.

In casetranslucent siding is required, this shall be of same profile as thesiding.

The translucentpanels to be of sufficient strength and thickness to span the givenrail spacings. Minimum thickness 1 mm. All panels to have the natural(ivory) colour with a light transmission of 85% (unless otherwisestated in the drawings - building specification of finishingschedule). Panels shall be self-extinguishing and heat resistant upto 70^oC. Fixing shall be in accordance with themanufacturer’s instructions and spans shall not exceed themanufacturer’s recommendation.

Light weight steelincluded means: steel not over 22 kg/m^l

7. Metal Roofs

7.1. Handling, Installation and Workmanship

Before sendingmaterial and starting work, contractor shall verify governingdimensions at project site, examine adjoining work which is in anywaydependent for its required installation.

Metal deck panelsshall be transported and handled (also during installation) carefullyby methods approved by Company, to avoid damages. Panels shall be freeof dents, ripples or other imperfections. Damages panels shall bereplaced by subcontractor at his own expense and removed from thesite immediately.

Metal work shallbe performed in a shop where grade of metal work is of recognizedquality acceptable to Company.

Metaldeck shall beinstalled straight and flush. All work shall be designed foradjustment to field variations, fitted with proper joints, adequatelyanchored in place to structural members and sufficient riveted inbetween the spans. Method of fixing and execution shall conform tothe recommendation of the manufacturer at all times and any deviationfrom this must have approval of Company. Roofs in this category shallallow for cutting of holes for ventilation ducts, pipes, fans,skylights, etc. All necessary supporting light weight steel shall beincluded. All necessary closing parts to walls through passages,flashings, felt, lead, zinc, copper, etc. Are to be includedaccording to details, to ensure that the completed roof iswaterproof. Drainpoints to be installed where shown on drawings.Where shown on drawings, blow out and maintenance panels to beinstalled according to design. Connections shall be made withoutdamage to structural members. Finishes and workmanship shall be firstclass in every particular, strictly in accordance with best practiceand to full approval of Company. Any expense incurred because ofcontractor’s lack of workmanship will be borne by contractor.

Roofs shall bemade water- and windtight. In case a building shall be pressurized,the roof, walls, their connections and interruptions shall be madeairtight.

All sheets shallbe stored dry and horizontally on site and piled on wood platforms toavoid damages and to keep clean.

7.2. Manufacture of Panels

General

The panels usedfor construction shall be the same in every respect as offered in biddocuments. A deviation from this specification will only be acceptedwhen contractor has specified this with his tender and the employerhas specifically accepted the deviation in writing.

Contractor shallbe responsible for verifying that he has employers writtenacceptance of agreed deviations.

7.3. Minimum Requirements

Single metaldeck

Material

Minimum thickness

Type

Finish (top)

(underside)

Colour (top)

(underside)

Type offasteners (to girders)

(to overlap connections)

Spacing offasteners (to girders)

(to overlapconnections)

Seal type

Filler type

Translucent panels

Thermal transmittance factor.

All attachmentsshall be galvanized, stainless steel or approved alternate, towithstand the local weather conditions.

Flashings or otherauxiliary pieces where necessary or shown on drawings shall befastened proper and to full satisfaction of Company.

Finished metalparts of the roof as exposed rivets, screws, cut edges, etc. Shall becoated with colour matching paint to avoid rust.

Connections towalls shall have a closure piece. Hips and valleys shall be avoidedwhere possible. Where not shown on drawings otherwise, all flashingsshall be made of the same material, factory shaped, straight, stiffand square, to suit the details and in accordance with vendordrawings.

Metal deck roofwith light weight concrete layer on top, with or without insulation,shall be in accordance with the approved drawings.

Insulationmaterial shall be non-hygroscopic, incombustible, odourless andvermin-proof.

Roof shall form awatertight unit, caulking material used shall be of an approvedquality.

Where not shown ondrawings or details otherwise a filler and seal will be installed.The filler strips shall be of an approved material and to the samecorrugation and profile as the metal deck. Seals to be of an approvedcompound which will not set hard or dry.

A felt vapourbarrier shall be included in between the insulation and the metaldeck, in cases specified in the requisitions. For the installation ofinsulation materials on steeldeck, only mechanical fixing is allowed.Bitumen applied to steeldeck shall not be accepted.

Where aluminum isin direct contact with concrete or steel and moisture is likely to bepresent, then the touching surface shall be isolated by anapplication of bitumen or equivalent, at manufacturer’srecommendation.

7.4. Skylights

Skylights shall bepolymethyl metacrylic domes double sheet cavity type. Domes to beinstalled on prefab polyester curbs, watertight connected to thebuilt-up roofing. Fixing methods shall be conform manufacturersinstructions. Other types may be required, but these will bespecified in the building requisitions.

7.5. Fire Ventilators

Fire ventilatorsto be automatically operating units, opening by a temperature riseabove 70^oC by means of temperature controlled mechanism.Pneumatic operating distance opening device to be included.Ventilators to be installed on prefab. Polyester curbs, watertightconnected to the built-up roofing.

8. Corrugated Asbestos Cement Roofs and Wall Cladding

Corrugatedasbestos cement panels shall be installed straight with properjoints, adequately anchored in place to structural members, accordingto drawings. Ridges, bardge boards and other auxiliary pieces, wherepossible, shall be of same manufacturer. The panels shall allow forcutting and all connections shall be watertight. Where necessary,additional light weight steel shall be installed. According todrawings translucent panels shall be installed to the samecorrugation as the asbestos cement panels. Fixing methods shall be infull accordance with manufacturer’s specification and fixingmaterials shall be “rustproofed”. The completed roofs andwalls shall form a watertight unit. Where not shown on drawings ordetails otherwise a filler and seal shall be installed. Fillers shallbe of the same corrugation and seals shall be a compound which willnot set hard and dry, approved by the employer. All flashings, leador other materials shall be included. Workmanship and finishes shallbe first class in every particular, strictly in accordance with bestpractice and to full approval of the employer. Panels shall betransported and handled carefully. Panels shall be stored dry andhorizontally on site and piled on wood platforms. Panels shall nothave cracks or other imperfections. Panels installed and showing anyimperfections shall be removed and to be replaced by the contractorat his own costs.

9. Precast Concrete Roof Elements

Precast concreteelement roofs shall be designed to carry the loads according toCompany specification Spec. 31806-A22. Slabs to have an insulationlayer of an approved material to reach a K-value. K = <1.

Where a slope isrequired, slope to be calculated into the design of the supportingstructure. An additional sloping layer on top of the precast concreteelements is not allowed without employer’s written agreement.Anchoring and installation of precast concrete elements to the steelstructure shall be in accordance with the manufacturer’sinstructions, shown on drawings and to be approved by Company. Crackedor damaged elements shall not be accepted and contractor shall removesuch elements directly from the building site. All openings in roofsto be factory made, no chipping shall be allowed, all gravel filletsto be included. The upperside surface shall be flush and straight notrugged and all joints shall be filled in with mortar. Where no falseceiling shall be installed the underside of elements shall have afair faced surface, and where asked for these shall be paintedwithout stopping or filling. Roofs shall be installed ready toreceive built-up-roofing layers.

10. Concrete Roofs

Cast in situconcrete roofs shall comply with Company’s specification. Whereslopes are required in concrete roofs, these shall be made in thestructural concrete. Insulation layers on top of concrete roofs shallalways have one thickness over the entire roof area.

11. Built-Up Roofing

Prior to application of roofing, the roofing contractor shall inspect theroof deck carefully. It shall be firm, dry, free of foreign materialwhich would interfere with the roofing application, and reasonablysmooth. All cracks, breaks, holes, or other unusual irregularities inthe surface shall be reported to the Contractor for remedy beforeroofing work is begun. Any disagreement on the condition of the deckshall be referred to the employer for decision. Installation ofcurbs, and similar work shall be completed before work begin, and itwill be the Contractor’s responsibility that no water shallremain at any part of the roof. Built-up roofing shall be applied toroof systems shown on drawings and in accordance with the vendor’sspecifications. Where necessary or required a vapor barrier shall beinstalled. Where shown on drawings or described an insulation layershall be installed. Built-up roofing shall consist of at least 3layers of roofing felt of which the top layer shall be of rolled-inchips. The various layers to be glued together with a hot bitumen.The roof shall form a watertight unit and all necessary flashings,drainpipes or whatever may be required shall be included. Thecontractor to specify the system and materials he intends to use andshall guarantee his system for:

1. The insulation value required

2. The proper connection of all components to the roof

3. The prevention of any leakage or condensation.

In case, duringthe guarantee period is found any irregularity in the roof system,contractor shall repair this at his own costs. Roofing systems to bein accordance with the requirements of the insurance Company.

12. Flashings, Drips, Gutters, Downspouts, etc.

12.1. All flashings, drips, guardboxes, gutters, downspouts, etc., shall be installed neat, flush straight or plumb, formed in metal or P.V.C. to the gauge thickness and sizes as required. Extruded sections may be substituted for worked materials. Where possible, proprietary or standard brand products shall be used of an approved quality normally recommended for use in building construction. Selected type shall be described and/or shown on drawings per building. Where aluminum is in direct contact with concrete or steel and moisture is likely to be present, then the touching surfaces shall be isolated by an application of bitumen, or other suitable method, approved by the employer. Galvanized steel wire balloons shall be installed in roof drain entrances. Downspouts or rainwater pipes to be installed with a standard clearance of 3,5 cm in between finished surface of walls or siding and barrel of pipe. Expansion joints for gutters shall be installed according to manufacturer’s printed instructions or shown on drawings. All materials to be rustproofed. Where rainwater drains are projected through walls or siding, the rainwater outlets to be of an approved construction: P.V.C., lead or zinc, and shall be used to ensure a good and watertight connection between the finished roof and rainwater pipes.

Where aluminum,galvanized light pressed steel, - P.V.C - or zinc - gutters shall beused, the gutters shall be supported by a galvanized metal beadattached to the brackets and to the full length of the gutter. Allconnections at laps to be of a watertight construction.

Where asbestoscement or P.V.C. gutters shall be used the work shall be executed inaccordance with the printed instructions of the manufacturer with allnecessary joint fixing and caulking materials recommended by themanufacturer to ensure a watertight unit.

All bolts, nuts,washers and screw to be galvanized.

MinimumRequirements

Lead flashing 18Kg/m²

Zinc flashing 7.5Kg/m²

Lead pipe firstquality

12.2. Rainwater Pipes

P.V.C. and castiron, round or square with all necessary bends, branches, collectionboxes, etc. Coated or uncoated. Sizes and gauge thickness of standardbrand products or as described and/or shown on drawings. Downspoutsto be sized min. 1 cm² for each roof area.

P.V.C.

Inside

Connections andjoints to be watertight in accordance with manufacturer’sinstructions, where pipes shall be encased, pipe joints to be glued,or welded. All other connections shall be normal, manufacturer’smake with sockets and rubber rings. Alternate connection methods needapproval of the engineer.

Outside

All pipes shallhave socket and rubber ring connections of standard brand products.Alternate connection methods need approval of the engineer.

CAST IRON

Inside

Joint shall bemade with rings of lead strip, lead yarn or gasket tightly caulked towithin 1¹/₂” of the face of the socketand the remaining space filled with molten lead and well caulked.

Outside

1. Joints shall be loose.

2. Joints shall be made with rings of rope yarn tightly caulked to within ³/₄” of the face of the socket and the remaining space filled with lead strip and well caulked.

3. As described as inside.

HOLDERBATS,HOLDFASTS

All holderbats andholdfasts to be two pieces type galvanized or P.V.C. coated mildsteel bands of aprox. 25 x 2 mm or manufacturer’s standardtype, with square driving pin where fixed to masonry.

Where fixed orbolted to structural steel the type of fixation of holdfasts shall bedetailed on drawings. Fixations for rainwater pipes or downspouts invertical direction shall be made at each socket and shall neverexceed 1,50 m c.t.c.

13. Carpentry and Joinery

13.1. All timber shall conform to the sizes and grades, specified. All timber shall be of a good quality, well seasoned, free from dry rot, loose or dead knots or other defects and with moisture content as close as possible to the equivalent moisture content average humidity likely to be encountered.

13.2. Rough Carpentry

Rough not facingcarpentry in buildings does not need any dressing. All timber workedinto masonry, cleats, etc. And where moisture is likely to present,the timber shall have a protective coating.

13.3. Finish Carpentry and Millwork

All woodfinish,cabinet and casework shall be smoothly dressed, well sanded, andthoroughly cleaned before priming until surfaces are smooth and alldefacements are entirely removed.

All materialshowing machinery, sandpaper, or other defacing marks will berejected. No interior wood finish or cabinet work will be permittedin the building before the plaster in that section in which thematerial is to be used is reasonable dry and approved by theengineer.

All woodfinishes,doors, frames and other cabinet work or fixed wooden equipment shallbe properly installed, level, plumb and true.

Trims, fillers,etc. Shall be put on in full lengths, without piecing, except wherethe use of single lengths would be impractical or impossible, andthen if jointed, butt joints shall be beveled.

Exterior anglesshall be mitered and interior angles shall be coped or tongued. Inall instances where wood finish adjoins other finished materials, aneat tight joint shall be made.

All cabinet andcasework shall be accurately scribed to contacting surfaces and shallbe straight, plumb, level and in true alignment, closely fitted andrigidly fastened in place.

Should anyabnormal shrinkage occur or other defects appear in the joiner’swork, the defective work shall be taken down and renewed to theentire satisfaction of the engineer and all other work disturbed inconsequence of same shall be made good.

Paneling to wallsshall be applied to strip backing. Veneered panels shall be glued tothe strip backing. To all surfaces which shall receive paint, nailsshall be set for putty, removable panels shall be screwed with brassscrews or other fixing methods shown on drawings. All necessaryhardware shall be included.

13.4. Priming and Backpainting

All interior andexterior woodfinish, millwork, case and cabinet work shall have beenthoroughly primed and backpainted before erection and installation.Such priming and backpainting is to be performed immediatelyfollowing the delivery of such.

Should any finishtimber be found belonging to the building which has not been primed,this shall have to be removed and to be renewed, primed andreinstalled and making good all damages caused to the work.

14. Finishes

14.1. General

Finishingmaterials shall be in accordance with the finishing schedules -requisitions and the drawings. Contractor shall submit samples of thevarious materials he proposed to use. Where samples of materials arenot available, he shall submit printed documentation and instructionsof these materials and products, showing technical data andinstructions for the installation. All samples shall bearmanufacturer’s lable, and no material shall be used until ithas been approved by the employer.

14.2. Storage of Materials

Materials shall bestored as to ensure the preservation of their quality and fitness forthe work. They shall be placed on wooden platforms or other hard,clean surfaces and not on the ground, and they shall be placed undercover. Stored materials shall be located so as to facilitate promptinspection.

14.3. Floor Finishes

Where moisturepenetration has to be avoided, a moisture impervious membrane has tobe provided. Concrete slabs shall be washed down to remote dust,lime, plaster and other droppings. Loose particles to be removed, andsurfaces to spray with water over-night to assure a perfect adhesionof the subfloor.

Where amanufacturer’s brand product shall be installed, installationshall be in full accordance with manufacturer’s specifications,using adhesives recommended by the manufacturer.

Finished floorsshall be kept clean at all times, protected against droppings ofpaint, etc. And before handing over the building all floors shall betreated by scrubbing, waxing, etc. Ready for use to the satisfactionof the employer.

14.3.1. Wood Float Finish

The concreteaggregate is forced below the surface, the surface is then leveledwith a straight wood screed, and while the concrete is still notfirmly set, it is given a float finish with straight flat large woodtrowels (called floats).

14.3.2. Steel Troweled Finish

After the concreteaggregate is forced below the surface, the surface is leveled with astraight wood screed and given a wood float finish. Before theconcrete is finally set, the entire surface is steel troweled.

14.3.3. Separately Applied Cement Finishes

For these the bareconcrete surface must be left rough, having been only leveled andscreeded. These separate finishes are designated as non-slip,heavy-duty insulating, etc. The installation shall meet the suppliersrecommendations. It is contractor’s responsibility thatseparately applied cement finishes are firm attached to thestructural concrete all over the surface. Loose spots shall not beaccepted.

The application ofcarborundum dust to cement finishes shall be at least 4,5 kg/m².

In case the cementfinish shall be the final floor-finish, the surface shall be treatedafter curing with a dust proofing agent.

Cement layers, tobe installed as intermediate layers between structural concrete andfinishes such as linoleum. P.V.C. and the like, shall have aninsulating material aggregate such as Perlite, expanded clay,Vermiculite or approved alternate.

14.3.4. Tiled Floor-Finishes

Quarry tiles

These are unglazedfloor tiles made from natural clays, double baked, impervious tomoisture, stains and dirt, and resistant to abrasion, freezing andthawing. Size 10x10 cm or smaller in case they are used as mosaictiles. Quarry tiles floors shall have coved bases 10 cm high.

Samples

Contractor shallsubmit samples of tiles for approval by employer and shall not starttilework without receipt of such approval.

Application

Clay tiles shallnot be installed in temperature below 10^oC. Type ofgrouting, pointing and caulking material will be specified perbuilding and shall be of approved vendor’s recommendation.Cement or adhesive shall be removed from the tile surface by dilutesolution of acid or other means recommended by the tile manufacturerupon completion of tilework. After pointing and grouting of thefloortiles has been completed, exists must be closed to traffic andprotected until tilework sets. Where required, the joins shall bemade with acid resistant mortar to the approval of the employer.

14.3.5. Rubber and P.V.C. Floor Finishes

Rubber and P.V.C.finishes shall be installed in accordance with the manufacturer’sinstructions. Materials to be approved by the employer, contractor tosubmit samples showing qualities and colours for selection.

14.3.6. Carpet Floor Finish

Carpet used to benon-synthetic, wool carpets in even standard colours, glued to smoothfinished floor slabs. Contractor to submit samples for selection andapproval to the employer showing qualities and colours.

14.3.7. Stone

Stone floorfinishes and base boards to be made of quartsite. Colour, quality andinstallation to be approved by employer.

14.3.8. Epoxy Coated Concrete Floors

Where indicated inthe requisition and on drawings, concrete floors to be treated withan epoxy coating. The treatment of the concrete surface, thecomposition and the application methods shall be according to vendorsrecommendation to be approved by the employer.

14.3.9. Floors to be provided with recesses for doormats, showers etc. As indicated on the drawings.

14.4. Wall Finishes

14.4.1. General

After installationof piping, heating, ventilation, plumbing, electrical installationand the like, contractor shall do all necessary patch up work onbuilding constructions and finishes, including plasterwork, tilework,painting and the like.

14.4.2. Materials for Plaster

Sand shall neclean, well graded and screened free form loam, clay and otherimpurities. Cement shall be portland cement. Water shall be drinkingwater, i.e. free from salts and other impurities. Pre-mixed coarsestuff can be used but if kept for any length of time, the coarsestuff shall be protected from drying out. All gauged coarse stuffshould be used up within 2 hours of the addition of the cement. Noretempering of partly set or dried gauged coarse stuff shall beattempted and such materials shall be discharded.

14.4.3. Application

Walls shall beclean and free from dust. In general, plasterwork shall be carriedout when the temperature of the air and the surfaces to be plasteredare above 5^oC. Materials shall be free from frost.Precaution shall be taken to exclude direct sunlight and dryingwinds. Each coat on individual wall surfaces shall be completed inone operation.

14.4.4. Plastered Surfaces

All externalcorners, door and window openings, shall have galvanized cornerbeads,up to full height of corners and all around openings, except wheresills shall be installed and walls are to be tiled. Cornerbeads shallbe installed strictly plumb and horizontal and shall have expandedmetal wings of approximately 60 mm. Internal corners shall beprovided with a corner reinforcing strip of galvanized or paintedexpanded metal with wings of approximately 75 mm up to full height.All fixing material shall be rustproofed.

14.4.5. Internal Plaster

Internal plastershall be in accordance with the finishing schedules andspecifications per building and to a thickness of at least 1 cm. Allsurfaces are to be rendered smooth, flat, true, free from tool marksand other imperfections. All walls shall receive a two-coat plaster.

Smooth concretesurfaces shall be provided with a “spatter” coat of richcement and sand grout, thrown on with a brush or a proprietarymaterial which needs only to be applied with a brush beforeplastering. Thickness of plaster on concrete shall not exceed 8 mm.

Surfaces are to berendered smooth, flat true, free from tool marks and otherimperfections. All walls shall receive a two-coat plaster.

Contractor shallbe held responsible for his work and shall repair and make good allplastering defects such as, blistering, bond failure, cracking,peeling, popping or blowing, rust staining and softness.

14.4.6. Interior Ceramic Walltiles

Tiles shall be ofa glazed type, colour and sizes in accordance with thespecifications, drawings and finishing schedules per building.Contractor shall submit samples of tiles and fittings for approval.

Contractor shallinclude for all rounded edges, for external corners, etc. Built intoilet paper-roll holders and soap dishes for showers, toilets, etc.

Tiles shall besoaked and backing well wetted, tiles shall be bedded as solid aspossible, flat, true, plumb and horizontal. Joints shall be flush andtiles shall not show any imperfections. Where tiles shall be bedded,passing a position where there may be movement, i.e. junction ofdissimilar materials or where a partition joins a structural member,the backing shall be provided with galvanized wiremesh. Contractorshall do all necessary cutting around pipes, etc. And shall protecthis work for damages, droppings, etc. Contractor is free to proposeother tiling methods, but he shall always need employers writtenapproval.

14.4.7. Other Wall Finishes

Board finish,decoration finish, natural wood, natural stone, etc. Shall be inaccordance with the specifications, drawings and finishing scheduleper building.

14.5. Ceiling

14.5.1. 9.5 mm plasterboard ceilings, suspended from metal grid and hangers to be installed in toilet areas, locker and washrooms and kitchens, as indicated on the finishing schedules. The panels are fixed by means of screws to the grid system and panel joints as well as screw holes have to be filled flush before painting. Inspection hatches shall be included, lighting fixtures shall not be recessed in these ceilings. Provisions shall be made for pass throughs of piping and ventilation ducts and anemostats.

14.5.2. Suspended false ceilings shall be of a manufacturer’s standard brand product and system, and shall meet the requirements which will described per building requisition. Ceiling panels shall be of a non-combustible type, rigid and removable, mineral or metal panels. All sheets shall have clips to avoid lifting by air movement. Ceiling shall allow for built in lighting fixtures, louvres, cuts, etc. Fixing of hanging supports to lightweight concrete slabs and boxrib steeldecks shall not be allowed and special provisions shall be taken where explosion proof fixtures are to be installed. Welding to structures shall only be permitted by the engineer.

15. Doors and Windows

15.1. General

Doors and windowframes shall be designed “non load bearing”, and towithstand windloads.

When placed underbeams or lintels, care shall be taken that loads are not transmittedto the frame due to deflection of such beams or lintels.

Where possible andrequested all exterior and interior sashes, doors and windows shallbe composed of standard metal sections.

Exception shall bemade for heavy metal doors in industrial buildings, such as doorsextremely high or wide.

Door and windowunits to be completely installed with frames, mullions, lugs, hingesand all necessary operating hardware, locks, etc. Contractor shallsubmit vendor drawings, detailed operating hardware, openingdirections and connections to surrounding building construction.

Opening sashes tobe designed and installed such as to enclose a watertight and windtight construction.

All windows shallbe provided with condensation gutters at the inside with closed ends.No connection drains to the outside shall be provided.

Double platedmetal doors to be plated with 2 mm sheet metal and to be filled withrockwool.

Single plateddoors to be plated with 3 mm sheet metal and to have stiffeningchannels and weathered lock-en-casements of the same thickness.

Steel doors andwindows of the side hung type shall have heavy duty brass or bronzehinges and brassball bearings. Doors always have at least 3 hinges.Windows shall have 2 hinges. Hinges for aluminum doors and windowsshall be of heavy duty type recommended by the vendor and approved bythe employer. Pins of hinges to be of a different hardness as theblades.

Minimumrequirements for hinges:

	doors	windows
Diameter of butts	13 mm	9,5 mm
Thickness of blades	4 mm	3,5 mm
Length of blades	120 mm	75 mm

Coupling ofprefabricated sections on the site shall be screwed very carefully,flush and made watertight by using a building compound.

Beforeinstallation of prefab sections, sashes shall have oak fillets set inmastic all around the sash to avoid empty space between sash andsurrounding construction and sash to mullions, etc. to diminish thebuilding compound to a minimum but not less than 4 mm to ensure asolid, void free, waterproof connections.

Sash shall beproperly anchored to the surrounding building construction. Weldingto the building frame shall not be allowed.

Exterior door andwindow frame joints shall be caulked to surrounding buildingstructure, with a non-bituminous building mastic compound which doesnot sag or run, is non-hardening, non-staining. Installation ofcompound to be such that painting of frames, doors and windows isstill possible.

Exterior doorlocks shall have brass face of locks and lockbolts. For exteriordoors, windows and frames all fixing screws, screwbolts, etc. Shallbe a corrosionproof material of sufficient strength.

For heavyindustrial doors, a different type of hinges shall be used, such asstraphinges, tee-hinges, etc. To ensure a solid construction. Hingesto be provided with brass-ball-bearings.

As far as possibleinterior doors and door frame shall be of a standard make. Woodendoors shall have 3 steel lift off butts (paumelles) withbrass-ball-bearings. Standard pressed steel interior door framesshall be used into masonry or concrete walls, using themanufacturer’s standard anchors, at least 3 on one side.

Minimum thicknessof pressed steel frames to be 1,25 mm for 10 cm wall thickness, and1,5 mm for over 10 cm wall thickness/ Pressed steel interior doorframes and anchors to be rustproofed. Interior doors shall not havethresholds.

Where shown on thedrawings sunshades, canopies, or other sun protections shall beprovided, inside or outside of building. (Venetian blinds inside thebuilding shall have recesses into false ceilings as far as possibleand shall be installed so ,that window furniture and hardware shallnot cause hinderance by opening windows. Where sunshades and canopiesshall be installed to the outside of buildings, provisions shall betaken to ensure a solid construction and do not cause hinderance byopening windows and doors.

Wooden framesshall be fixed by metal strip or screwed anchors of rustproofedmaterial. Nails into masonry acting as anchors shall not be accepted.

Wood shall be wellseasoned, free from dry rot or other defects, and with moisturecontent as close as possible to the equivalent moisture content foraverage humidity likely to be encountered. Wooden frames, doors andwindows shall be first quality, knotted, stopped and treatedwaterproof before delivering to the site. Wood connections forframes, windows and doors shall be glued and dowelled or wedged.

Steel sashes,windows and doors

All steel sashes,windows and doors to be sand-blasted before zinc dipping, zinc dippedand lead primed. Zinc dipping to be at least 35 micron.

15.2. Folding Exterior Doors

Folding doors tobe galvanized steel unit, enamel painted. Operating gear to be fixedagainst the building structure above the door opening. Floor finishat door opening location to be detailed so that no obstructions aremade for movable equipment entering or leaving the building, locks tobe provided with cylinders fitting the masterkey system.

15.3. Interior Doors

In generalinterior doors shall be hollow core wooden doors, installed instandard pressed steel interior doorframes. At locations indicated,heavy wooden standard type doors shall be used for sound insulation.These doors shall have double seals to the doorframes. Double sheetedsteel interior doors shall be used in industrial areas whereindicated for heavy traffic, etc. Doors in airlocks, leading to theoutside, all to be of the same type as the exterior doors of thoseairlocks.

15.4. Roller Shutter Doors

Roller shutterdoors shall be manual as well as motor operated aluminum weatherresistant roll-up doors with a lifting spead of approximately 0.12m/sec., controls for opening-closing and stop at any opening height.Operating gear to be provided with safety provisions as required.Design and installation need Company’s approval.

15.5. Overhead Doors

Overhead doors tohave galvanized steel frames, and to be sheeted both sides withgalvanized steel plate, doors insulated and enamel painted. Operatinggear counter weight balanced. Locks to be provided with cylinders,fitting the masterkey system. Design and installation need Company’sapproval.

15.6. Sliding Doors

Sliding doorsshall be double plated insulated doors with 2 mm steel sheet,stiffening channels and weathered lock-encasements. Operating gear tobe fixed against the building structure above the door and the floorfinish at the door opening to be detailed so that no obstructions aremade for movable equipment entering or leaving the building. Locks tobe provided with cylinders fitting the masterkey system.

15.7. Glass Doors

Glass doors to beof tempered glass. “Securite” or approved equivalent,complete with operating gear, locks and door handles as specified byVendor and approved by Company.

15.8. Fire Doors and Fire Hatches

Fire doors andfire hatches shall be designed for the fire rating as will bespecified. The doors and hatches shall be selfclosing galvanizedsteel units, inclusive frames and will need the approval of the localauthorities as well as of Company.

15.9. Aluminum Sashes, Doors and Windows

To be composed ofstandard extruded aluminum sections and to have an anodized surface,thick 18-20 micron.

Storage of allaluminum doors and windows shall be vertically, dry and wrapped ingreased paper.

Damaged partsshall be made good and repaired before installation to thesatisfaction of the employer.

Aluminium shall bekept very clean during the progress of the job, as cement and limewill adhere very strongly to the surface and will leave a mark onbright aluminum when it is removed.

Contractor shallbe held responsible for good and correct operation of movable parts.

Operating hardwareshall have sufficient space in between surrounding construction, suchas to avoid scratched hands of operator.

Automaticdoorclosers shall be provided for exterior doors and doors insanitary and toilet area, and a fixing plate shall be provided to thedoor frame.

All other types ofdoors, such as sliding doors, folding doors, shutter doors, etc.Shall be described per specification per building.

Unless otherwisespecified, all exterior doors shall be provided with automatic heavyduty door closers, door stops, chromium plate doorchains and swingrestrainers. Interior doors shall have automatic door closersaccording to the doors and windows schedule per building.

Aluminum sashes,doors and windows, shall preferably be fixed after all constructionwork and wet finishes are completed.

Where metal sillsshall be used, sills shall be provided with closed ends.

Where aluminum isin direct contact with concrete, steel or brass, the touching surfaceshall be isolated by a bituminous product or approved alternate.

Contractor shallmake sure that installation of doors and windows shall start at thepromised date and that doors and windows are provided with thenecessary closing fixtures and locks. No excuse shall be excepted forfailure of locks, panic bars, etc. In case of failure contractorshall install temporary doors and windows including locks andwhatever may be required on the first request of the engineer. Nointerruption of the building construction work shall be accepted dueto lack of doors, windows, fixtures and the like.

16. Glass and Glazing 16.1General

Glass shall be newand of the type, specified for each building. Contractor shall submitsamples of the various types of glass to be used, bearing themanufacturer’s lable, type and grade. The employer shall alwayshave the right to review contractor’s file for confirmation ofadherence to the specification.

16.2. Thickness of Glass

The thickness ofnormal = non safety = glass shall be based on calculationsincorporating the maximum wind loads to be expected on the actualwindow surface. In all cases the minimum thickness for normal glassshall not ne less than 6 mm. For safety glass, manufacturersrecommendations on thickness shall apply.

16.3. Kind of Glass to Be Used

1. Clear polished plate glass, minimum thickness 6 mm.

2. Clear polished wire reinforced glass.

3. Obscured glass (patterned, frosted or hammered).

4. Wire reinforced obscured glass.

5. Tempered glass (such as securit glass).

6. Laminated glass (two or more layers of polished plate glass with plastic, sandwiched between the glass layers).

7. Insulating glass (double glass).

8. Heat absorbing glass.

16.4. Installation

Glazing to woodframes and sashes. Opening to receive glass shall beprovided with a rebate of 10 mm. Glass shall be cut approximately 4mm shorter in length and width than the actual rebate size. No puttyshall be applied for setting glass until rebates and glazing beadshave been primed.

16.5. Glazing with Beads

For exterior panesthe glass shall always be embedded in putty. For internal panes,neoprene rubber or approved alternate material may be employed. Thebeads may be either fixed with brass nails or brass screws.

16.6. Glazing without Beads

In this methodsthe rebate is first puttied (bedding putty) and the glass is thenpressed into position back puttied and secured with glazier’ssprings. Then the glass is front puttied and the putty shall bestopped approximately 1 mm front the sight line. The putty shall beleft for about 14 days before painting. The putty used for glazing towood sashes is a linseed oil putty composed of whiting and linseedoil, or approved alternate.

16.7. Metal Casements

Glass shall besecured with spring clips.

Glazing to metalcasements, (with beads). The method used is similar to that describedunder wood casements. The beads shall be aluminum but the back puttyshall be of a non-hardening and non-staining type suitable forpainting.

16.8. Without Beads

This method againis very similar to that described under wood casements, but a specialtype of putty shall be used of a non-hardening and non-staining typesuitable for painting.

Insulating glassshall be set in full accordance with manufacturer’srecommendations without using putty but using special glazingcompound, setting blocks or glazing clips as recommended by themanufacturer.

Glass be lefttightly placed and free from rattle.

16.9. Cleaning and Replacing

Glass broken orglass damaged before completion of the building construction shall bereplaced by contractor with glass of similar kind and quality on hisown costs. Upon completion of all construction work and approval ofglazing, labels shall be removed and glass shall be washed clean.

17. Window Sills

Interior andexterior window sills shall be installed according to the drawingsand as described per building specification.

17.1. Material and Installation

Sills may beformed in stone, reinforced concrete tiles, pressed metal, naturalstone, timber, etc. Sills shall be installed very carefully toprevent moisture penetration to internal brickwork and dampproofingmaterials must be applied.

Interior sillsshall be installed horizontal in all directions, if not shownotherwise on drawings. Sills shall have rounded edges. Where naturalstone shall be used, high grade polished finish is required. Timbershall be smoothened, not shown any defects and shall be fastened tobuilt-in preserved cleats. Sills on one elevation shall show onestraight line.

Exterior sillsshall be installed fairly steeply to run the water off to the outsideand overhang the wall for at least 5 cm. The underside of the sillsshall have grooves to form a key for bedding and a throating in theoverhang to form a drip keeping the water off outside walls. Thesight line of the sills shall be installed flush and horizontal andshowing one line of sills on one elevation.

18. Stairs and Stair Finishes

All stairs andstair finishes, including the bandings, railings, etc. Shall beinstalled in accordance with the drawings and requisitions perbuilding. The entire stairs and the surrounding structure must be offireproof materials such as concrete or steel. The minimum width ofstairs shall not be less than 0,90 m. Two times the riser + thelength of the tread shall always be in between the 61-65 cm. Finishesof stairs shall be specified per building.

19. Hardware

19.1. General

Contractor shallsupply and install all necessary hardware for doors, windows andother accessories, as described in the door and windows schedule.

19.2. Fixture and Fittings

Locks, handles,handle plates, barrel bolts, panic bolts, monkey bolts,espagnolettes, rosettes, keyplates, automatic door closers, windchains, doorstops, restrainers, windhooks, kickplates, louvres, andwhat else is required for the proper operation shall be installed.Doorclosers to be “Yale” or approved alternate.

Opening fanlightsshall have lever handles with straight rod and rodguides, hinged sidearms, windows latches and whatever shall be required for properoperation and closing.

Fittings, locks,etc. of the same kind shall be of one make and type.

Locks, padlocks,panic bolts shall be type “Yale” or approved alternateand shall include all necessary fixtures, screws, bolts andtrimplates.

Where required thelocks shall be keyed to a master-key system, common for externaldoors.

All locks are todiffer so that keys cannot be interchanged and shall be pin-tumblertype. Each lock shall be stamped with consecutive numbers and thekeys to each shall be numbered to correspond with the locks.

Wiremesh filled indoors, lattice doors, hatches, etc. Shall have weathered lockencasements. In case padlocks are required, these encasements shallbe eliminated.

Door to W.C.’sand showers shall be provided with indicating combination bolts, withemergency key fitting outside.

Where required,toilet doors shall have male-female and other indication plates.

Doormat-recessesshall be made of brass angle 25x25x3 mm, complete with lugsexternally at approximately 300 mm c.t.c.

In betweendifferent types of floor finishes a brass strip shall be provided tothe full length of the joint. Strips shall be 20x5 mm.

All W.C.’sand showers shall be provided with double chromium plated coat hooks.Showers shall have chromium plated curtain rails and plasticcurtains.

Contractor shallprovided all necessary accessories, not described and not shown ondrawings but to final completion of buildings.

All material shallbe rustproofed, anodized, enamelled, etc. And contractor shall takeinto account the nature of the building when selecting his type ofhardware.

Contractor shallprepare for and submit samples of the materials he has provided forhis work and give alternative samples to make choice, listed andpriced in his bid document, separately per building.

20. Water Distribution and Plumbing 20.1General

The connectionsfrom the coldwater and fire water distribution systems insidebuilding to the main feeders shall be made by building contractor.Piping and connections to be installed frost-free. Soil-cover to bemade as shown on the drawings. If not indicated, the minimumsoil-cover to be 70 cm and in accordance with the Company undergroundpiping drawings and specifications.

20.1. Connections to Main Feeders

1. The main feeders will be provided at contractors disposal, with a plugged branch. Connection to this branch by contractor.

2. The main feeders will be provided at contractors disposal, with a stopcock. Connection to this stopcock by contractor.

3. Contractor shall connect his piping system to the main feeders and shall install a flanged branch to the main feeder by means of cutting and welding.

20.2. Connections into Buildings

At the entry ofthe coldwater supply pipe into buildings and just above each floorlevel a gate valve and draincock shall be provided.

At the entry ofthe firewater supply pipe into buildings and above groundfloor levela gate valve and draincock shall be provided, locations according todrawings per building.

20.3. Water Distribution Systems

A complete waterdistribution system for coldwater shall be installed to all locationsand plumbing fixtures, shown on drawings, and description perbuilding specification.

A complete waterdistribution system for hotwater shall be installed, including waterheaters, boilers and where required a thermostatic water temperaturecontrol system, with all connections and drains, to all locations andplumbing fixtures shown on drawings, and description per buildingspecification.

A completefirewater distribution system shall be installed including all fixedconnections and valves, according to drawings. Fire fightingequipment by others.

Routing and pipediameters shall be determined by contractor and shown on a asymmetricdrawing to all locations, and if required, to be approved by thelocal authorities, but to have the employer’s final approvalanyway.

All horizontalpiping shall slope 1:200 to drains.

Where pipes passthrough concrete, brickwork, siding, etc. The contractor shallinstall metal or P.V.C. sleeves of the required diameter.

20.4. Piping: Cold- and Hotwater

A seamless coppertube shall be used and all fittings shall be soldering type. Allstopcocks, draincocks, couplings, etc. to be brass. All pipes to beproperly insulated.

Sharp bends suchas knees shall be avoided as much as possible. Pipes to be bent witha proper bending machine. Diminished bends will not be accepted. Forpipes above ³/₄” (22 mm) diameter,soldering type elbows shall be used.

Piping andplumbing fixtures shall be such that back-syphonage is excluded.Underwater inlets are not permitted to prevent the pipe system fromentering foul water.

Distributionsystem shall be installed such that the entire system can be drainedat low convenient points. Dismantling point shall be provided wherenecessary and at convenient locations.

Stopvalves anddraincocks to be provided for each washroom and each toilet area.Supply pipes to plumbing fixtures to be provided with stopvalves anddraincocks such that each plumbing fixture can be isolated.

Exposed pipesshall be supported by brass pipe brackets securely fixed to thebuilding, with brass screws, straight and plumb. Alternativesupporting material may be used, but shall need the employer’sapproval.

Build-in pipesshall be installed into walls, etc. securely fixed. Pipes fittings,fixations, as well as insulation around pipes (where required) shallnot project unfinished walls. Fixations behind plaster and tilesshall be executed with rust-proofed materials. Hot water systems tobe provided with loops and circulation pumps to reach proper watertemperature at taps.

20.5. Laboratory

Laboratories shallhave a separate cold- and hotwater distribution system, connected tothe main supply inside the building but such that building system andlaboratory system can be stopped and drained independently of eachother.

Washbasins,slopsinks and safety showers, included connections, etc. Shall belongto the distribution system. In any case, when information is notavailable for laboratories, hot- and coldwater pipes shall beprovided one meter inside laboratory with a stopcock at the ends.

Installation tobenches, tables and other specific laboratory equipment shall beinstalled by others.

20.6. Firewater

In- outsidegalvanized firewater pipes shall be installed, with all necessarythreaded sockets, fittings, elbows, etc. Including the necessarybrass valves and couplings to the fire fighting equipment.

The completeinstallation shall be securely fixed to the building.

20.7. Flow rates

The flow ratesshall be as follows:

Fitment	Flowrate coldwater	Litr./min. hotwater
Flushing cisterns	12	-
Washbasins	10	7
Showers	7	7
Sinks	15	15

 

20.8. Hotwater

Hotwater at 55°Cis required at the faucets, except for faucets, specially indicated,which water temperature shall be 75° C.

20.9. Testing

The hydrostatic test pressure for water piping shall be 1¹/₂times the design pressure.

Minimum test pressure to be 10 kg/cm²above operating pressure.

The contractor shall provide all testsrequired by the local authorities and the engineers entiresatisfaction.

Should any part of the installationsfail to withstand the tests required, defects shall be properly madegood and new tests shall be carried out.

Where described material shall not beaccepted by the local authorities, contractor shall give choice ofalternative materials based on local experience and economy, acceptedby the local authorities and to be approved by the engineer.

21. Sanitary Ware

21.1. All sanitary ware and equipment shall be installed according to drawings and requisition per building.

Contractor shallsubmit samples or printed documentation of proposed materials forapproval. Each complete combination shall be priced. All fitments ofthe same kind shall be of one make and type.

Toiletcombinations shall be white vitrified china, glazed inside andoutside, ordinary grade and of the wash down type. Toilets shall beprovided with white plastic seats and lids, flushing valves typeD.A.L. or Benkiser and all necessary fittings such as trimmings,plugs, rings, screws, buffers, flush pipes etc. All exposed fittingsshall be chromium plated.

Washbasins andlavatory basins, shall be white vitrified china, glazed inside andoutside, ordinary grade. Washbasins shall not exceed the overall sizeof 63x46 cm and the minimum size of 57x46 cm. Lavatory washbasinsshall not exceed the overall size of 56x40 cm and the minimum size of50x40 cm. Washbasins and lavatory basins shall be of the overflowtype.

Washbasins andlavatory washbasins shall be provided with white enameled supportschromium plated, hot and cold water faucets, plugs, bottle traps,chains, liquid soap holders and floor connection type drain pipes.Each washbasin and lavatory washbasin shall be provided with a mirroraccording to the size of the washbasin and two chromium plated towelhooks.

Water connections shall be provided below basins.

Urinals shall bewhite vitrified china wall hung type, syphonic action, glazed insideand outside and to be provided with flushing valves type D.A.L. orBenkiser, all necessary trimmings, rings, fittings, flush pipes,floor connection type drainpipes and stalls. All exposed fittingsshall be chromium plated. Urinals shall be separated by screens.Supports shall be chromium plated and wall mounted, screens to bemarble, thickness approx. 20 mm, or untransparant glass of a minimumthickness of 14 mm.

21.2. Janitor Slopsinks

Janitor slopsinksshall be of vitrified clay installed on ¹/₂brick supports two tiles high, overflow type. Slopsinks shall beprovided with a chromium plated hot and cold water hose bibcock, leadseal trap, chromium plated bucket rack, wooden buffer and allnecessary fittings.

21.3. Showers

Showers shall beprovided with chromium plated mixing faucets, standpipes andshowerheads, diam. 15 cm.

21.4. Drinking water Fountains

Drinking waterfountains shall be wall mounted white vitrified china, with chromiumplated pushbutton spout, bottle trap, and floor connection type drainpipes. Water connection shall be provided below fountains.

21.5. Wash Throughs

Wash troughs shallbe anodized aluminum or approved alternate material and be providedwith chromium plated faucets at 0,60 m centres, mirrors andsoapholders. The outlet shall be provided with a chromium platedbottle seal trap and drainpipe to floor drainage. Sizes shall beindicated on drawings and specification per building.

21.6. Sinks

Kitchen sink unitsto be a manufacturer’s standard cabinet with stainless steelsink cover and 2 wall cabinets above. Minimum size approx. 200x90x60cm. The bowl shall have an overflow tube. Sinks shall be completedwith a chromium plated mixing faucet with swivel spout, plug, chain,lead seal trap and connection to drain.

21.7. Emergency Showers and Eyebaths

Emergency showersand eyebaths shall be supplied by the employer and installed by thecontractor.

21.8. Circular Washbasins

Circularwashbasins shall be anodized aluminum type “sanispray” orapproved alternate and shall be shown on drawings. Size and amount oftaps shall be described in the specification per building.

21.9. Gullies, Floordrains

Where shown ondrawings, gullies and floordrains shall be provided. Gullies shall beof cast iron with removable lid. Floordrains shall have brass grillcovers. All gullies and floordrains shall have water seals or sealtrap. All cleanouts shall have screwed ferrules. All vents shall haveraincaps.

21.10. Boilers

Boilers to beinstalled shall be indicated on drawings and described per buildingrequisition.

21.11. Splashbacks

Where sanitaryware such as washbasins, washthroughs, emergency showers,drinking-water fountains, slopsinks and kitchen furniture have to beinstalled to plastered on non-tiled surfaces, walls in those areasshall be provided with a tile or stainless steel wall finish, todimensions shown on drawings.

All sanitary wareshall be protected against damages and use before completion, handedover thoroughly cleaned, not showing any imperfections and shall havea perfect drainage.

21.12. Utility Piping

All utility pipinginside the buildings to be installed by the Contractor, except those,as indicated in the requisitions per building. All piping that shallbe installed by Contractor to be collected on drawings per buildingand approved by Company. All piping schemes to indicate the locationof connections to feeder systems, the pipe routing and pipesizefittings, valves, etc. The utility piping included shall at leastcover the hot and cold water plumbing, compressed air, natural gas,low pressure steam and condensate, firewater lines includedconnections to feeders and service points. Contractor shall furtherinstall feeders for laboratory utilities between the pipes, fed intothe building by others up to certain spots inside the building, andconnection points in various rooms.

22. Drainage and Sewerage

22.1. General

A completedrainage system including floor drains, gullies roofdrains, sanitaryequipment, etc. Shall be installed according to drawings andrequisitions per building.

Where describedand indicated on drawings, following materials shall be used forpiping.

1. Acid resistant standard brand products.

2. P.V.C. standard brand products.

3. Coated cast-iron bell and spigot pipe.

4. Vitrified clay pipe.

5. Concrete pipe.

6. Lead pipe.

22.2. Materials and Joints

Point 1 + 2 Contractor shall install all necessary auxiliarypieces of standard brand products according to the type of materialsand connections to be made to the manufacturer’s writteninstructions and to the engineers written approval.

Point 3 Coated cast-iron pipe joints shall be made with ringsof lead strip, lead yarn or gasket tightly caulked to within 1 ¹/₂”of the face of the socket and the remaining space filled with moltenand well caulked.

Point 4 + 5 Vitrified clay pipe - Concrete pipe

1. 1. 1. 1. Joints shall be made with a gasket steeped in cement grout or tar, caulked tightly home so as to fill not more than one quarter of the total depth of the socket with a 1 : 2 (cement-sand) mortar, finished with a fillet troweled off out an angle of 45^o to the barrel of the pipe. The pipes shall be cleared out as the work proceeds and left free from obstructions. Access lids shall be bedded in clay puddle and cement.

 

Point 4 2. Joints shall be made with a acid resistant product.This shall be done in accordance to the written instructions of themanufacturer and the engineer’s written approval.

Point 6 Lead pipes to be jointed with wiped soldered joints.

22.3. Installation

Drainlines shallhave clean-outs outside and inside of buildings with easy access forcleaning of obstructions. Cleanouts shall have removable airtightcovers. Covers to be screwed-bolted or clamped, suitable to theinstalled materials.

Removable coversshall be provided over all interconnection pits.

Suitableintercepting chambers and vents shall be provided where required, toprevent foul liquids or gasses from entering the buildings.

Adequate greasetraps shall be provided.

Laboratories shallhave separate drainage systems, according to materials as describedand according to drawings and requisitions per building.

22.4. Connections to Existing Sewerage System

All necessaryconnections to existing sewerage system shall be made includingexcavation and backfill and according to drawings. If a foul watersewerage system has to be connected to a system belonging to thelocal authorities, the building sewage shall, after procuring thenecessary permissions, be connected to this existing system. Thedrainage system shall then completely governed by the stipulationsmade by the local authority concerned.

Connections ofsewage systems to main sewage, connection pits, manholes, septictanks, etc. Shall not exceed 5 mtr. Off outside buildings.

22.5. Inaccessible Sewage Systems

Where a sewagesystem shall be installed in an inaccessible way, the undergroundpiping shall be laid into an excavation, such that pipes shall notmove or settle during installation and backfill. Before laying,contractor has to make sure that bearing soil has been rammedsecurely. Sewage system shall be supported by 6 mm steel bars,covered with plastic hose. Steel bars shall be bend over the concretereinforcement at least 20 cm. The plastic hose shall be at least 5 cminto the concrete. Where prefab. Concrete elements shall beinstalled, hangers shall be installed through joints of elements andto be bent over on top of the elements. Hangers to be installed atdistances 2 mtr. c.t.c. and to each riser. Contractor is free topropose an alternative system but needs the approval of the engineer.Building sewer pipes shall be made in cast-iron bell and spigot pipe.

22.6. Drain Pipes above Floor Levels

Drain pipes abovefloor level shall be installed according to the drawings, includingall necessary fixations, such as brackets, holdfasts, hangers, etc.Connections to sanitary, floor drains, etc. All fixing material to begalvanized. Where possible, contractor shall use inserts and anchorrails cast-iron concrete.

Welding tostructural steel frame shall be allowed only with employer’spermission. For installation see “Materials and joints”’

Connections towash basins, toilet fixtures, urinals, etc. Shall have lead collarsor other material to be approved by the employer. Connections tofloor drains, gullies, etc. Shall be made with oakum and molten lead,well caulked, or other connection methods to be approved by theemployer.

Connections ofdifferent pipe materials shall have standard make auxiliary pieceswhere possible.

The entiredrainage and sewerage system shall be watertight and installed to thesatisfaction of the employer.

22.7. Testing

Prior to anybackfilling, all underground drainpipes, shall be watertested at apressure of 1.5 times operating pressure. Such a test shall be of aduration of at least 8 hours and to be approved by the engineer.

23. Demountable Partitions (Offices)

Where shown andindicated on drawings, demountable or movable partitions shall beinstalled. Design preferably shall included a maximum re-use of theexisting material in the event of relocation.

Typicalelevations, shown on drawings are given as a basic requirement andmay be slightly modified to suit a manufacturer’s standard.

Fixation tosurrounding building structures, floors, walls and ceilings shall bedesigned for maximum flexibility in case of moving and for minimum onrepairs to partitions and floors, walls and ceilings. Partitionsshall be rigid in all directions.

Installation ofthese partitions shall be done after finishing on walls, ceilings andfloors.

Partitions shallbe composed of a standard brand metal frame work. Facing metal shallhave an anodized aluminum or an enamel paint finish. Closed partsshall be provided with double decorating panels, finished withvinyl-covering, medium weight, standard pattern and colour, with acavity in between, filled in with rockwool and allow for built-inconduits, switches and receptacles. Doors to be standard flush swingdoors for paint finish. Where possible, the connection of thebuild-in circuits in the partitions to be connected above falseceilings, easy to disconnect and in accordance with the localelectrical codes. A space shall be provided at the bottom fortelephone connections behind the plinths and a conduit from thisspace to the upperside of partitions. Plinths to be removable. Glazedparts of partitions shall have double glazing, each window pane shallhave a thickness of 6 mm. For type of glass see “glazing”.Decibel ratings should be in range of

1. standard type partition 28-30 dB

2. sound insulation partitions 28-40 dB

Non load bearingpartitions to be installed so, that any reasonable deformation ordeflection of the building structure (Columns, Beams, Walls, Floors,Roofs etc.) can occur without putting any horizontal or vertical loadon these partitions.

24. Industrial Partitions

Where indicated ondrawings and as described, pressed steel partitions shall be designedfor and installed into industrial buildings. Drawings to be approvedby Company.

Pressed steelpartitions shall have a minimum sheet thickness of 1 mm on bothsides. They shall be prefabricated, doors and glazed panels whererequired shall be included.

Construction shallbe strong and rigid in all directions and well anchored to floor andsurrounding construction.

Beforeinstallation, partitions shall be shopprimed according tospecification BN. * Glazing, hardware and finish shall conform to theitems “doors and windows”, “Hardware”,“Glass” in this specification and the specification forfield painting. The whole to be finished and cleaned ready foroccupation.

25. Wiremesh Partitions

Fences

Wiremesh trafoyard fences shall be installed according to drawings and requisitionper building. Doors and locks shall be included.

Where indicated ondrawings and as described, wiremesh partitions shall be designed andinstalled in industrial buildings. Drawings to be approved by Company.Partitions shall be strong and rigid in all directions and wellanchored to floor and surrounding construction. Doors, locks andwhatelse shall be included.

26. Painting

26.1. The Company specification for fieldpainting BN. *

The Companyspecification for shoppriming BN. *

Contractor shall submit Manufacturer’spaint documentation and instruction.

26.2. General

Painting tosteelstructures, stairs, landings, railings and other steelpartsadherent to these structures shall comply with the Companyspecifications.

Forshoppriming: *

For fieldpainting: *

Painting shall bein accordance with generally accepted good practice for the type ofpaint specified.

Surfaces which areto be painted shall be prepared in accordance with section 3. Of thisspecification.

No paint shall beapplied when surface temperature is below 5^oC or when theairtemp. is expected to drop below 0^oC before the painthas dried.

Surface shall bedry, before receiving primer or paint.

The guidingfeature to allow any surface to be primed or painted is that thesurface temperature has to be at least 1 ¹/₂^oCabove the dew point of the surrounding air.

In hot weather,precaution shall be taken to ensure that the specified thickness ofprimer is obtained.

Where paint hasbeen applied and frost, excessive humidity, rain, snow, etc. Willoccur during drying of the paint, then the damaged paint surfacesshall be removed, the surface prepaired again and painted.

Any deviation ofthis specification is subjected to employer’s approval.

The following is arepresentative list of items to be painted.

Structural steel,stairs, landings, handrails and other steelparts adherent to thesestructures and buildings.

Exposeduninsulated carbon steel and cast-iron piping, pipe supports, etc.Forming part of the building constract.

Factory paintedequipment, not properly finished or in need of a touch up formingpart of the building contract.

Exposed hot pipingand radiators.

Exposed coppertubing, such as water lines hot and cold.

Interior andexterior masonry, where indicated.

Interior andexterior plasterwork, where indicated.

Interior andexterior concrete, where indicated.

Screed floors,where indicated.

Interior andexterior joinery and cabinet work.

Steel doors,windows, frames, hatches, industrial steel partitions.

Wood doors,windows, frames, partitions and other material adherent to thebuilding contract.

26.3. Materials

All materialsshall be delivered to the job in unbroken containers bearingManufacturer’s brand and name. Containers shall remain unopeneduntil required for use.

Primers, paints,thinners and varnishes shall be stored in a well ventilated building,free from excessive heat, flames, sparks and direct rays of the sun.

Material, whichhas been livered, gelled or otherwise deteriorated shall not be used.

The materialsshall be used in rotation of delivery.

All ingredients inany container shall be thoroughly mixed before use and shall beagitated often during application to keep the paint in suspension.

Paints, mixed inthe original containers shall not be transferred until all settledpigment is incorporated into the vehicle.

Mixing in opencontainers shall be done in a well ventilated area.

Paint shall bemixed in a manner which will ensure break-up of all lumps, completesuspension of pigments and an uniform composition.

Thinner shall notbe added to the paints unless necessary for proper applicationaccording to manufacturer’s instructions.

Dry pigments whichare separately packed shall be mixed into paints in such manner thatthey are uniformly blended.

The type ofthinner shall comply with manufacturer’s instructions.

When use of athinner is permitted, thinner shall be added to the paint duringmixing process.

26.4. Surface Preparation

26.4.1. Metal Work

Metal work shallbe prepared according to the specification for fieldpainting andshoppriming BN. and BN. *

26.4.2. Woodwork, Cabinetwork, etc.

Surfaces shall becleaned, sanded, smoothed ad shall not show any machine and toolmarksor other imperfections.

Surfaces shall bedry.

Remove resinousspots and insulate knots before priming.

26.4.3. Masonry, Concrete Plaster, Screed Floors

Surfaces shall becleaned with a stiff brush.

Remove any knobsor other matters of imperfection on the surfaces, such that thesurfaces show smooth and even.

Surfaces shall bedry.

Screed floors tobe free from grease, oil and other droppings of cement and the likeand to be smooth.

26.5. Application

26.5.1. Metal

Application shallbe according to section 4. Of the specification for field paintingand as described per item below.

26.5.2. Wood, Cabinetwork, etc.

Wood shall beairdry before painting.

Apply 1 coat ofwoodprimer.

Woodwork incontact with masonry, concrete, plaster, etc. Shall have 2 coats ofprimer.

Holes, cracks,knots and other defects shall be properly treated to ensure a smoothappearance.

Finishing shallhave 2 coats of paint. First coat shall be “off colour”second coat in colour.

Field paint shallbe applied by brush.

26.5.3. Varnish

Surface shall beairdry.

Dry sanding toclose pores.

Insulate allaround with 2 coats of sealer.

After drying,visible parts shall be sanded.

Apply 1 coat ofvarnish.

After drying to besanded.

Apply finish coatof varnish.

26.5.4. Masonry, Concrete, Plaster, etc. (Exterior)

Surface shall bedry.

Apply 1 primecoat.

Apply 1intermediate coat.

Apply 1 finishcoat.

Paint shall beapplied by brush or roller.

Open texturedblocks, cinder, etc. Shall receive a filler coat as a first coat.

Paint shall beexterior concrete and masonry Latex paint.

26.5.5. Masonry, Concrete, Plaster, etc. (Interior)

Surface shall bedry.

Apply 1 coat ofpigmented primer tinted.

Apply 2 coats offinish coat.

Paint shall beflat Latex paint (washable).

26.5.6. Screed Floors

Screed floorsshall be painted, where indicated with an epoxy coating.

Paint schedule andcolourscheme shall be according to the schedule and schemes perbuilding.

For allapplication methods a complete coverage a reasonable smoothness anduniformity of finish coats shall be required.

Surfaces shall beprotected against dropping paint and paintspots shall be removedimmediately from finished surfaces.

All finishes shallbe “eggshell finish” except where otherwise stated.

27. Telephone, Telecommunication, Call-Up Systems, Alarms, etc.

Contractor shallprovide all conduits and outlet boxes for telephone,telecommunication and other system where required according to thespecification per building.

Contractor shallmeet the requirements of the local telephone and telecommunicationcompany.

Wiring, plugs,telephones, tape machines and teleprinters shall be installed by thetelephone and telecommunication company.

The employer shallobtain and pay for all permits and inspection fees required fortelephone and telecommunication.

Contractor shallsubmit all samples and printed manufacturer’s technicaldocumentation of all material and equipment for employer’sapproval.

After completionof installation the contractor shall make good all damages.

28. Heating, Ventilation, Airconditioning, Pressurization

28.1. A complete installation shall be calculated, designed and installed according to the respective technical data and requisitions per building.

Contractor shallinclude a detailed description of his design, supply and installationin his bid. He shall make all applications for permits, pay all feesrequired by law and shall give the authorities all required noticesrelating to his work.

Contractor shallsubmit all calculations, drawings and detailed drawings for approval,showing the location of units and other equipment, size of allductwork, grills, thermostates, piping supports, hangers, insulation,detailed passages through roofs and walls, electrical panels,switchboards, etc.

Contractor shallsubmit a complete, printed manufacturer’s technicaldocumentation of all equipment and materials, he proposed to use forthe complete installation and shall not start before having employersapproval on drawings, equipment and materials.

28.2. General

Silence is ofparamount importance in the installation and every precaution must betaken to achieve this in the choice and fixing of all equipment.

Any undue noisewill be the responsibility of the contractor and must be rectified byhim to the satisfaction of the employer at his own expense.

28.3. Testing

In the execution,completion and testing of the system the contractor shall comply withall relevant regulations, applicable in the area in which the site islocated.

Contractor shallprovide all necessary connections such as steam, air condensate,water, electricity, etc. The complete installation shall be testedand balanced in the presence of by the employer’s directedengineers. If necessary, the contractor shall have to wait till thecoming winter to perform his tests under actual exterior conditions.

All insulation and painting shall be in accordance with the painting and insulation specification Company spec. BN. *

All damages tobuilding, equipment and paint shall be made good and the heating andventilation room shall be cleaned up, free from oil, grease and otherimpurities.

Contractor shallhand over the completed installation in operating condition with allrequired certifications if instances involved and to the entiresatisfaction of the employer.

28.4. Contractor shall give information concerning:

• Proposed layout
• The total installed horsepower and watts of the system offered and that of its respective component parts.
• The extent of the electrical power required at the plant-room distribution board and generally for fans for respective rooms.
• A brief specification of all equipment used in the installation, showing their respective capacities, gauges, weights, horsepower, explosion proof equipment, etc. A copy of their standard service contract.
• The quantity of steam required, the condensate and the sizing of headers and collection lines per buildings.
• Type and sizes of anemostates, wall and door mounted louvres.
• A brief description concerning explosion proof equipment.
• Detail of stack showing fixing to surrounding construction and through passage through roof.
• Layout of anchoring of equipment to floor, size and location of anchorbolts.

29. Electrical

Contractor shalldesign, supply and install a complete electrical installation for therespective buildings and in accordance with the electricalspecifications per building. Contractor shall prepare the drawingsindicating all circuits and the location of all switches, outlets,equipment and panels. The arrangement of circuits is left to thecontractor’s judgement under the limitations and requirementsof the local electric code and regulations.

Contractor shallobtain and pay for all permits and inspection fees required for theelectrical work and to present to the employer all certificates ofinspection from all authorities having jurisdiction.

The contractor shall make sure that the entire electrical system shall meet requirements of the Governmental and local electrical codes and regulations, and the Company electrical specification.

Electrical heatersshall be located on architectural drawings.

The contractorshall make the electrical connections to all equipment, lightingfixtures inside the buildings, and outside fixtures forming a part ofof the buidings requiring electrical provisions. Contractor shallinclude connections for equipment not supplied by contractor such asrefrigerators, freezers, coffee-machines, dishwashers, hotplates,incinerators for ladies toilets, etc.

Contractor shallsubmit all drawings, electrical diagrams, and manufacturer’sprinted documentation of all equipment, lighting fixtures, fittings,switches, and all sorts of materials he proposes to use foremployer’s approval.