Attending repair to the ceiling, water proofing treatment, windows, drainage and water supplying line in Primary Health Centre, Ariyur, Puducherry.

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth, 1.5m in width as well as 10sqm on plan) including getting out and disposal of excavated earth, lead upto 50m and lift upto 1.5m - ordinary rock.

Earthwork in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed , within a lead of 50m - all kinds of soil.

Filling available excavated earth (excluding rock) in trenches,plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead upto 50m and lift upto 1.5m.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plinth level - 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size).

Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacture's specification.

Providing , hoisting and fixing upto floor five level precast reinforced cement concrete in shelves including setting in cement mortar 1:3 (1 cement : 3 coarse sand), cost of required centering, shuttering and finishing with neat cement punning on exposed surfaces but excluding the cost of reinforcement, with 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 12.5 mm nominal size).

Steel reinforcement for R.C.C.work including straightening, cutting, bending, placing in position and binding all complete upto plinth level - Thermo -Mechanically treated bars (TISCON / VIZAG / IISCO / SAIL / JSW) Fe - 415 or more.

Brick work with common burnt clay non modular bricks of class designation 7.5 in foundation and plinth in - cement mortar 1:6 (1 cement : 6 coarse sand).

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level upto floor V level - cement mortar 1:4 (1 cement : 4 coarse sand)

Providing and fixing factory made uPVC door frame made of uPVC extruded sections having an overall dimension as below (tolerance +_ 1mm), with wall thickness 2.0 mm (+-0.2mm), corners of the door frame to be jointed with galvanized brackets and stainless steel screws, joints mitred and plastic welded. The hinge side vertical of the frames reinforced by galvanized M.S.tube of size 19 x 19 mm and 1mm (+-0.1mm) wall thickness and 3 nos. stainless steel hinges fixed to the frame complete as per manufacturer's specification - Extruded section profile size 48 x 40 mm.

Providing and fixing to existing door frames - 24 mm thick factory made PVC door shutters made of styles and rails of a uPVC hollow section of size 59 x 24 mm and wall thickness 2 mm (+- 0.2 mm) with inbuilt edging on both sides . The styles and rails mitred and joint at the corners by means of M.S. galvanised / plastic brackets of size 75 x 220 mm having wall thickness 1.0 mm and stainless steel screws . The styles of the shutter reinforced by inserting galvanised M.S.tube of size 20x20 mm and 1mm (+- 0.1mm) wall thickness . The lock rail made up of 'H' section , a uPVC hollow section of size 100 x 24 mm and 2 mm (+-0.2 mm) wall thickness , fixed to the shutter styles by means of plastic / galvanised M.S. 'U' cleats. The shutter frame filled with a uPVC multichambered single panel of size not less than 620 mm, having overall thickness of 20 mm and 1 mm (+_ 0.1mm) wall thickness . They panels filled vertcally and tie bar at two places by inserting horizontally 6 mm galvanised M.S.rod and fastened with nuts and washers , complete as per manufacturer's specification (For W.C. and bathroom door shutter).

Providing and fixing factory made uPVC white colour sliding glazed window upto 1.50m in height dimension comprising of uPVC multi - chambered frame with in-built roller track and sash extruded profiles duly reinforced with 1.60 + or - 0.2 mm thick galvanized mild steel section made from roll forming process of required length (shape & size according to uPVC profile), appropriate dimension of uPVC extruded glazing beads and uPVC extruded interlocks, EPDM gasket, wool pile, zinc alloy (white powder coated) touch locks with hook, zinc alloy body with single nylon rollers (weight bearing capacity to be 40 kg), G.I. fastners 100 x8 mm size for fixing frame to finished wall and necessary stainless steel screws etc. Profile of frame & sash shyall be mitred cut and fusion welded at all corners, including drilling of holes for fixing hardware's and drainage of water etc.After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealent over backer rod of required size and of approved quality, all complete as per approved drawing.(Single / double glass panes, wire mesh and silicon sealent shall be paid separately) - Two track two panels sliding window made of (small series) frame 52 x 44 mm & sash 32 x 60 mm both having wall thickness of 1.9 + or - 0.2 mm and single glazing bead of appropriate dimension.(Area of window upto 1.75 sqm) - sliding window size 1.20x1.35 m.

Providing and fixing 1mm thick M.S.sheet door with frame of 40x40x6 mm angle iron and 3mm M.S.gusset plates at the junctions and corners , all necessary fittings complete, including applying a priming coat of approved steel primer - Using M.S.angels 40x40x6mm for diagonal braces.

Steel work in built up tubular (round,square or rectanglar hollow tubes etc.) trusses etc., including cutting, hoisting,fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete - electric resistance or induction butt welded tubes.

Steel work welded in built up sections / framed work, including cutting,hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required - in gratings, frames, guard bar, ladder, railings, brackets,gates and similar works.

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete - 40mm thick with 20mm nominal size stone aggregate.

Providing and fixing 1st quality ceramic glazed wall tiles conforming to IS : 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved in skirting, risers of steps and dados, over 12mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3 kg per sqm, including pointing in white cement with pigment of matching shade complete.

Providing and laying ceramic glazed floor tiles of size 300x300 mm (thickness to be specified by the manufacturer), of 1st quality conforming to IS : 15622, of approved make (Nitco / Kajaria) in colours such as white, Ivory, Grey, Fume red brown ,laid on 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand), including pointing the joints with white cement and matching pigment etc., complete.

Painting top of roofs with bitumen of approved quality @ 17kg per 10 sq.m impregnated with a coat of coarse sand at 60cudm per 10 sq.m including cleaning the slab surface with brushes and finally with a piece of cloth lightly soaked in kerosene oil complete - with residual type petroleum bitumen of grade VG-10.

Providing and laying pressed clay tiles (as per approved pattern 18mm nominal thickness of approved size) on roofs jointed with cement mortar 1:4 (1 cement : 4 coarse sand) mixed with 2% integral water proofing compound , laid over a bed of 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand) and finished neat complete.

Lime concrete terracing on roofs of required thickness laid to fall with 25mm nominal size brick aggregate and 50% lime mortar 1:2 (1 lime putty : 2 surkhi) rammed and finished with gur and belgiri treatment complete including rounding of junctions with Parapet wall complete.

Providing and fixing on wall face unplasticised rigid PVC rain water pipes conforming to IS: 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10mm gap for thermal expansion, (i) Single socketed pipes - 110 mm diameter.

Providing and fixing on wall face unplasticised - PVC moulded fittings / accessories for unplasticised rigid PVC rain water pipes conforming to IS:13592 Type A, including jointing with seal ring conforming to IS: 5382, leaving 10mm gap for thermal expansion - Coupler - 110mm.

Providing and fixing on wall face unplasticised - PVC moulded fittings / accessories for unplasticised rigid PVC rain water pipes conforming to IS:13592 Type A, including jointing with seal ring conforming to IS: 5382, leaving 10mm gap for thermal expansion - Single pushfit Coupler - 110mm.

Providing and fixing on wall face unplasticised - PVC moulded fittings / accessories for unplasticised rigid PVC rain water pipes conforming to IS:13592 Type A, including jointing with seal ring conforming to IS: 5382, leaving 10mm gap for thermal expansion - Single tee with door - 110x110x110mm.

Providing and fixing on wall face unplasticised - PVC moulded fittings / accessories for unplasticised rigid PVC rain water pipes conforming to IS:13592 Type A, including jointing with seal ring conforming to IS: 5382, leaving 10mm gap for thermal expansion - bend 87.5 degree - 110 mm bend.

Providing and fixing unplasticised - PVC pipe clips of approved design to unplasticised- PVC rain water pipes by means of 50x50x50mm hard wood plugs, screwed with M.S. screws of required length, including cutting brickwork and fixing in cement mortar 1:4 ( 1 cement : 4 coarse sand) and making good the wall etc., complete - 75mm.

Providing and fixing unplasticised - PVC pipe clips of approved design to unplasticised- PVC rain water pipes by means of 50x50x50mm hard wood plugs, screwed with M.S. screws of required length, including cutting brickwork and fixing in cement mortar 1:4 ( 1 cement : 4 coarse sand) and making good the wall etc., complete - 110mm.

Providing & fixing UV stabilised fibre glass reinforced plastic sheet roofing upto any pitch, including fixing with polymer coated 'J' or 'L' hooks, bolts & nuts 8mm dia G.I.plain / bitumen washers complete but excluding the cost of purlins, rafters, trusses etc. The sheets shall be manufactured out of 2400 TEX panel rovigs incorporting minimum 0.3% ultra -voilet stabiliser in resin system under approximately 2400 psi and hot cured. They shall be of uniform pigmentation and thickness without air pockets and shall conform to IS 10192 and IS 12866. The sheets shall be opaque or translucent, clear or pigmented, textured or smooth as specified - 2mm thick corrugated (2.5" or 4.2 " or 6") or step-down (2" or 3" or 6") as specifed.

12mm cement plaster of mix -1:6 ( 1 cement : 6 fine sand).

20mm cement plaster of mix -1:4 (1 cement : 4 fine sand).

15 mm cement plaster on rough side of single or halfbrick wall finished with a floating coat of neat cement of mix - 1:4 (1 cement : 4 fine sand).

Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the manufacturers.

Finishing walls with water proofing cement paint of required shade - New work (Two or more coats applied @ 3.84 kg / 10 sqm).

Applying priming coat - with ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron / steel works.

Painting on G.S.sheet with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade - New work (two or more coats) including a coat of approved steel primer but excluding a coat of mordant solution.

Repairs to plaster of thickness 12mm to 20mm in patches of area 2.5 sq.metres and under including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete including disposal of rubbish to the dumping ground within 50 metres lead - with cement mortar 1:4 (1 cement : 4fine sand).

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scrarches etc.complete.

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc complete.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade - One or more coats on old work.

Re-lettering with black japan paint of appproved brand and manufacture.

Finishing walls with water proofing cement paint of required shade - old work (one or more coats applied @2.20 kg/10sqm) over priming coat of primer applied @0.8 litres / 10 sqm complete including cost of priming coat.

Finishing walls with textured exterior paint of required shade - old work (two or more coats on existing cement paint surface applied at 3.28 ltr / 10 sqm.

Cleaning of terrace / loft water storage tank (inside surface area ) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5 gm per litre capacity of tank including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba all complete. (the old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs.0.10 per litre ) (if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contracor at his own cost and nothing extra will be paid on this account).

Cleaning and desilting of gully trap chamber, including removal of rubbish mixed with earth etc. and disposal of same.

Cleaning of under ground sump , Over Head R.C.C. tank (independent staging) including disposal of slit and rubbish . The cleaning shall consist following operations: i) Tank shall emptied of water by pumping and bottom shall be cleaned of slit and other deposits. Ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water. Iii) Chlorination of RCC internal surface by liquid Chlorine.iv) the treated surface shall be dried using air jetting and all loose particles shall be removal from the surface.v)Finally the surfcae shall be treated with ultraviolet radition etc.

Providing & fixing white vitreous china water closet squatting pan (Indian type) along with "S" or "P" trap including dismantling of old WC seat and "S" or "P" trap at site complete with all operations including all necessary materials, labour and disposal of dismantled material i/c malba , all complete - Orissa pattern W.C.Pan of size 580x440 mm.

Dismantling W.C.Pan of all sizes including disposal of dismantled materials i/c malba all complete.

Hacking of CC flooring including cleaning for surface etc.complete.

Demolishing lime concrete manually / by mechanical means and disposal of material within 50 metres.

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead - nominal concrete 1:3:6 or richer mix (i/c equivalent design mix).

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead - of area 3 sqm and below.

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead - for thickness of tiles 10mm to 25mm.

Demolishing brick tile covering in terraching including stacking of serviceable material and disposal of unserviceable material within 50 metres lead.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

Acid cleaning for the existing Mosaic floors , glazed tiles work and removing the stains and decays to give a glassy look etc complte (The Acid used shall be 32% concentrated hydrochloric acid after taking on the precautionary measures).

Providing and fixing white vitreous china pedestal type water closet (European type W.C.pan) with seat and lid, 10 litre low level white P.V.C. flusing cistern, including flush pipe, with manually controlled device (handle lever), conforming to IS: 7231,with all fittings and fixtures complete, including cutting and making good the walls and floors wherever required - W.C. pan with ISI marked black solid plastic seat and lid.

Providing and fixing wash basin with C.I. brackets, 15mm C.P. brass pillar taps, 32 mm C.P.brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever required - white Vitreous China wash basin size 630x450 mm with a pair of 15 mm C.P.brass pillar taps.

Providing and fixing 600x450 mm beveled edge mirror of superior glass (of approved quality) complete with 6mm thick hard board ground fixed to wooden cleats with C.P.brass screws and washers complete.

Providing and fixing PTMT towel rail complete with brackets fixed to wooden cleats with CP brass screws with concealed fitting arrangement of approved quality and colour - 600 mm long towel rail with total length of645 mm, 78 mm wide and effective height of 88mm, weighing not less than 190 gms.

Providing and fixing CP brass health faucet of approved quality - 15mm nominal bore

Providing and fixing ASTM pipes including all ASTM plain & brass threaded fittings i/c fixing the pipe with clamps at 1.00 m spacing . This includes jointing of pipes & fitting with one step ASTM solvent cement and the cost of cutting chases and making good the same including testing of joints complete (Concealed work including cutting chases and making good the walls etc.) - 20 mm nominal outer dia pipes.

Providing and fixing ASTM pipes including all ASTM plain & brass threaded fittings this included jointing of pipes & fittings with one step ASTM solvent cement, trenching refilling & testing of joints complete (External work) - 32 mm nominal outer dia pipes.

Providing and fixing ASTM pipes including all ASTM plain & brass threaded fittings this included jointing of pipes & fittings with one step ASTM solvent cement, trenching refilling & testing of joints complete (External work) - 40 mm nominal outer dia pipes.

Making connection of G.I.distribution branch with G.I.main of following sizes by providing and fixing tee, including cutting and threading the pipe etc.complete - 25 to 40mm nominal bore.

Providing and fixing brass bib cock of approved quality - 15mm nominal bore.

Providing and fixing gun metal gate valve with C.I.wheel of approved quality (Screwed end) - 40mm nominal bore.

Providing and fixing unplasticised PVC connection pipe with brass unions - 45 cm length - 15mm nominal bore.

Providing and fixing C.P.brass angle valve for basin mixer and geyser points of approved quality conforming to IS: 8931- 15 mm nominal bore.

Providing and fixing PTMT bib cock of approved quality and colour - 15mm nominal bore, 86 mm long, weighing not less than 88gms.

Constructing soak pit 1.20 x 1.20 x 1.20 m filled with brickbats including S.W.drain pipe 100 mm diameter and 1.20 m long complete as per standard design.

Providing and fixing on wall /column face unplasticed - PVC soil and waste pipes (type-B) conforming to IS:13592-1992 including jointing with seal ring conformation to IS: 5382 leaving 10mm gap for thermal expansion - single socketed pipes 110mm diameter.

Providing and fixing on wall face/column face unplasticised - PVC moulded fittings /accessories for unplasticisd - PVC soil and waste pipes conforming to IS:14735 - 1999 including jointing with seal ring conforming to IS:5382 leaving 10mm gap for thermal expansion - Single tee with door -110x110x110mm

Providing and fixing on wall face/column face unplasticised- PVC moulde fittings/accessories for unplasticisd - PVC soil and waste pipes conforming to IS:14735-1999 including jointing with seal ring conforming to IS:5382 leaving 10mm gap for thermal expansion - Bend 110mm

Providing and fixing on wall face / column face unplasticised - PVC mould fittings / accessories for unplasticisd - PVC soil and waste pipes conforming to IS : 14735 - 1999 including jointing with seal ring conforming to IS : 5382 leaving 10mm gap for thermal expansion - heel rest bend 110 mm.

Providing and fixing on wall/column face unplasticised - PVC soil and waste pipes (type B) conforming to IS:13592 - 1992 including jointing with seal ring conforming to IS : 5382 leaving 10mm gap for thermal expansion - single socketed pipes 75mm diameter

Providing and fixing on wall/column face unplasticisd - PVC moulded fittings /accessories for unplasticisd - PVC soil and waste pipes conforming to IS:14735 - 1999 including jointing with seal ring conforming to IS: 5382 leaving 10mm gap for thermal expansion - Single tee with door -75x75x75mm

Providing and fixing on wall face / column face unplasticised - PVC moulded fittings /accessories for unplasticisd - PVC soil and waste pipes conforming to IS:14735 - 1999 including jointing with seal ring conforming to IS : 5382 leaving 10mm gap for thermal expansion - bend 75mm

Providing and fixing on wall / column face unplasticisd - PVC moulded fittings / accessories for unplasticisd - PVC soil and waste pipes conforming to IS :14735 -1999 including jointing with seal ring conforming to IS : 5382 leaving 10mm gap for thermal expansion - heel rest Bend 75 mm.

Supply of Quarry rubbish including stacking to department gauge for premeasurement and spreading required thickness.

Removal of sludge from the septic tank and disposal of the same through the sewage tanker in safe location with an average lead of 10km. The rate to include the cost of labour charge for removing and relaying of cover slab laid over the septic tank mixing of Ferro Sulphate in to the septic tank for Through mechanical device and disposal of the same including hire charge for sewage tanker etc. complete as directed by the Engineer-in-charge.

Removal of blockage in the Intercepting Chamber and Cleaning The sewer line connection I.C. and main sewer line by mechanical means by engaging trunk mounted sewer jetting cum suction machine. The rate includes the cost of Water required for cleaning the blockage and disposal of debris, waste water to the nearest drainage pumphouse/STP.

Desilting the canal ‘U’ drain, culvert etc, by removing silt, slush and debris from the bed of drain and removing the grass bushes etc, complete in unhygienic and foul condition including disposal of the same within an average lead of 2 Km without polluting the environment etc, complete as directed by the Engineer in charge.

Providing shear connectors upto 16mm dia in holes of 20mm dia and 100mm deep drilled at necessary places as directed by the Engineer-in-charge including drilling, cleaning the drilled holes with air blower to remove all dust and fixing the shear connectors in the filled holes with a two component, polyester resin Anchor grout of CERA / SIKA / FOSROC / Mc. Bauchmie / DON / BASF OR EQUIVALENT make certified and tested by accredited institutions like IIT / SERC / NTH or so (Confirming to ASTM 827 SNF CRDC 621 & BS 6319 part 2 1983) as per manufacturers specification and as directed by the Engineer-in-charge.

Plastering the wall surface with Cement Mortar of mix 1:4(One part of cement:4 fine sand) mixed with styrene butadiene styrene rubber latex of CERA / SIKA / FOSROC / Mc. Bauchmie / DON / BASF OR EQUIVALENT make certified and tested by accredited institutions (confirming to ASTM 1059 - 99 for bonding agent, Physical properties: Compressive strength 7.5 + or -2.0 MPa, tensile strength 2.0 MPa at ratio of 1:1:5 (1Part of Cera polymer Latex : 1 part of water : 5parts of cement) in 2 coats including all lead and lift etc., complete as per manufacturers specification and as directed by the Engineer-in-charge.

chipping the worn out wall and concrete portion using proper tools and removing the loose particles and preparing the surface for treatment with wire brush etc.,. Complete until to reach good surface and removing the debris and disposal of the debris as directed by the Engineer-in-charge with all leads and lifts etc., complete.

Providing high strength Non shrink free flow micro concrete of CERA / SIKA / FOSROC / Mc. Bauchmie / DON / BASF OR EQUIVALENT make certified and tested by accredited institutions like IIT / SERC / NTH or so (Confirming to ASTM C109 7cm cube for compressive strength 45-50 MPa, Physical properties: Tensile Strength - 2.0 N/Sqm @ 28 days (BS 4551-80), Flexural Strength - 5.0 N/Sqm @ 28 days) over the Epoxy bonding agent applied area on columns, slabs, beams etc., upto floor five level (aggregates of 6mm to 12mm chips mav be added) (Measurement has to be taken considering 15mrn thickness of repaired surface). For this treatment precise quantity of water ie 0.15 W/P ratio will be maintained for good mortar consistency as per the manufacturers specification with all lead and lift etc., complete and as directed by the Engineer-in-charge including cement plaster.

Providing high strength Non shrink free flow micro concrete of (CERA / SIKA / FOSROC / Mc Bauchmie / DON / BASF OR EQUIVALENT make certified and tested by accredited institutions like IIT / SERC / NTH or so (confirming to ASTM C109 7cm cube for compressive strength 45-50 MPa, Physical properties : Tensile Strength - 2.0 N/Sqm @ 28 days (BS 4551-80), Flexural Strength - 5.0 N/Sqm @ 28 days) over the Epoxy bonding agent applied area on columns, slabs, beams etc., upto floor five level (aggregates of 6mm to 12mm chips may be added) (Measurement has to be taken considering 60mm average thickness of prepared surface). For this treatment precise quantity of water ie 0.15 W/P ratio will be maintained for good mortar consistency as per the manufacturers specification with all lead and lift etc., complete and as directed by the Engineer-in-charge (Note : Shuttering and reinforcement wherever required shall be paid separately) .

Removing white or colour wash by scrappng and sand papering and preparing the surface smooth including necessary repairs to scratches and providing anti fungus anti corrosive and anti carbonation acrylic coating of CERA / SIKA / FOSROC / Mc Bauchmie / DON / BASF OR EQUIVALENT make certified and tested by accredited institutions. The rate shall includes cleaning the surface free from dust, oil laitance, labour, tools etc., complete as directed by the Engineer-in-charge as per manufacturers specification and as directed by the Engineer-in-charge.