Establishment of Sports Development Authority of Tamil Nadu Sailing academy and Centre of Excellence in sailing and rowing at Chennai

Installation of Vertical Bored cast in situ RCC piles of 600mm diameter in all types of soils, using Standardised Concrete Mix of M35 grade, with sulphate resistant Cement or OPC/PPC, etc and Crushed Stone Sand and 20mm and down graded HBGS jelly coarse aggregate. The rate includes cost for placing of reinforcement cage in bore hole in correct position, cost of boring to the required depth with Bentonite solution with temprory casing of required length, conveyance of RMC to site and pouring concrete using Tremine pipes, conveyance of all materials to the site including all tools and plants, shifting the plants and equipments from one point to another, excavtion of mud pits for circulation of Bentonite soultion, closing the mud pits to original level and mud removal with initial lead and lift but including dismantling the concrete above the cut off level etc complete as directed by the departmental officers including socketing. The reinforcement cage should be welded properly for lifting. The concrete cubes to be tested as per IS 456-2000. Acceptance criteria by clause 16.1. Frequency of testing as per 15.2.2. Testing to be conducted at both the ends at site as well as RMC plant. Pile driving depth should be decided by the departmental officers at site. The length of pile for payment shall be measured from top of shoe to the bottom of the pile cap. (Cost of Reinforcement provided for Pile and Welding charges shall be measured and Paid separately)

Installation of Vertical Bored cast in situ RCC piles of 300mm diameter in all types of soils, using Standardised Concrete Mix of M35 grade, with sulphate resistant Cement or OPC/PPC, etc and Crushed Stone Sand and 20mm and down graded HBGS jelly coarse aggregate. The rate includes cost for placing of reinforcement cage in bore hole in correct position, cost of boring to the required depth with Bentonite solution with temprory casing of required length, conveyance of RMC to site and pouring concrete using Tremine pipes, conveyance of all materials to the site including all tools and plants, shifting the plants and equipments from one point to another, excavtion of mud pits for circulation of Bentonite soultion, closing the mud pits to original level and mud removal with initial lead and lift but including dismantling the concrete above the cut off level etc complete as directed by the departmental officers including socketing. The reinforcement cage should be welded properly for lifting. The concrete cubes to be tested as per IS 456-2000. Acceptance criteria by clause 16.1. Frequency of testing as per 15.2.2. Testing to be conducted at both the ends at site as well as RMC plant. Pile driving depth should be decided by the departmental officers at site. The length of pile for payment shall be measured from top of shoe to the bottom of the pile cap. (Cost of Reinforcement provided for Pile and Welding charges shall be measured and Paid separately)

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel, stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water wherever necessary refilling the sides of foundation with excavated soil other than sand in layers of 15cm thick well rammed and completed, cleaning and levelling the site etc., complete

Narrow Foundations - First Depth - Upto 2.00m Depth

Narrow Foundations - Second Depth - 2.00 - 3.00m

Narrow Foundations - Third Depth - 3.00 - 4.00m

Supplying and filling in foundation and basement with Crushed Stone Sand (M - Sand) in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

Plain Cement Concrete 1:5:10 (one part of cement, five part of Crushed Stone Sand (M- Sand) and Ten part of coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specification. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering including necessary supports For plane surfaces such as rectangular or square RCC columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick).etc.. complete in all floors complying with standard specification. Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor/Roof Beam, Lintels, Cantilever Beams, Bed Blocks etc.. with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over Steel adjustable Span of Size 2m x 2m(expandable upto 3.60m) and Silver Oak Joists of Size 10 x 5 cm spaced at 50cm to 60cm c/c and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) Spaced at not more than 50 to 60cm c/c , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor Slab, Roof Slab, Loft, Landing Slabs, etc with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m (expandable upto 3.60m) and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as vertical slab, side slabs of boxing, vertical drops, facia, vertical wall, etc. using mild steel sheets of size 1200cm x 60cm and 10 BG stiffened with welded mild steel angles of size 40mm x 40mm x 5 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner, Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals. MS Channel Section (ISMC 100) shall be provided as a vertical upport @1.20m C/C and with Lateral support of Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) & steel pipes of 20mm dia @ required level/spacing etc. complete complying with standard specifcation and as directed by the departmental officers. (Payment for centering shall be given after the concrete is laid)

Providing and laying in position, Standardised Concrete Mix M-35 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS:456-2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 425 kg/m3 and maximum water cement ratio of 0.45, including admixture (plasticiser / superplasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m’) 7670 kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards. (No separate payment will be made by the Department for the excess usage of materials).

Upto Basement

Ground Floor

First Floor

Second Floor

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMT and all grade like Fe 500, Fe550D, Fe 500 D etc., for all RCC works as per design given including cost of steel reinforcement and G.I. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(Contractor has to make his own arrangements for the supply of steel reinforcement and binding wire)

Ground Floor

First and Second Floor

Brick work in Cement Mortar 1: 5 (One Cement and Five Crushed Stone Sand) using best quality Burnt Clay Brick of size 9” x 4 3/8” x 2 3/4” with class designation of 7.50 conforming to IS 1077-1992 for foundation and basement including Cost of Mortar Plasticizer curing, etc., complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally. other type of bond shall be done as directed by the Executive Engineer in charge.

Upto Basement

Ground Floor

First Floor

Second Floor

Brick work in Cement Mortar 1: 3 (One Cement and Three Crushed Stone Sand) using best quality Burnt Clay Brick of size 9” x 4 3/8” x 2 3/4” with class designation of 7.50 conforming to IS 1077-1992 for foundation and basement including Cost of Mortar Plasticizer curing, etc., complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally. other type of bond shall be done as directed by the Executive Engineer in charge.

Ground Floor

First Floor

Special ceiling plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three Plastering Sand) 10mm thick including mortar plasticizer at 200ml per 50Kg of cement used , hacking the surfaces and curing, etc., in all floors complying with standard specification and as directed by the departmental officers

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no crushed stone sand to be used) to the proportion of brick jelly to lime being 32:12.5 by volume and laid over the RCC roof slab in a single layer of required slope and finished by beating the concrete with wooden beaters of approved pattern, keeping the surface constantly wet by sprinkling lime jaggery water, etc., complete as per standard specification and as directed by the deparmental officers.

Finishing the top of roof with one course of Solar Reflective tiles of size 300 mm x 300 mm x 20 mm of approved quality in Cement Mortar 1:3 (One Cement add three plastering sand (P- Sand)) 12 mm thick mixed with water proofing compound conforming to ISS at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete

Supplying and fixing solid core flush shutter of following type with thickness and necessary T.W. internal lipping alround conforming to IS 2202-1(1999) including cost of wind appliances and furniture fittings such as 6 Nos of SS 304 Grade Parliament Hinges of Size (125mm x 150mm), 3 Nos. 300x12mm aluminium tower bolt 1 No. 200x12mm aluminium tower bolts 1no. 250x16mm aluminium aldrops, 3 nos. 200mm ‘D’ type aluminium door handle and door stopper with bush etc., complete complying with standard specification and as directed by the departmental officers -

Supplying and fixing Teakwood frame with scantling above 2m for doors including labour charges for wrought and putup and fixing holdfast in frame etc., complete complying with standard specification and as directed by the departmental officers

Supplying and fixing Teakwood fully panelled (Single Leaf) shutters using Teakwood scantlings of size 100x40mm for styles & rails, 22mm thick planks for panels(5 Nos) and Brass Furniture fittings(3 Nos - Brass Hinges 125x30mm, 2 Nos - Brass Tower bolt 300x12mm, 1 Nos - Brass Tower bolt 200x12mm, 1 Nos - Brass Aldrop 250x16mm, 2 Nos - Brass Handle 200mm) including cost of wind appliances and labour charges for fixing the furniture fittings in position etc., complete complying with standard specification and as directed by the departmental officers

FRP Door Sutter with FRP Door Frames made out of FRP Sheets of 3mm thick of over all size 65mm x 50mm with rebate suitably reinforced using MS Angle / Flats, cost of holdfasts and Solid Core FRP Shutter Panel of 5mm thick and hollow core frames of 3m wall thickness for styles and rails etc., of sizes specified by Engineers

Supplying and fixing of rolling shutters shall be pull and push type (Mannually operated) made of 18G/3" lathe sections which consist of five main parts such as curtain, lock plate, guide channels rollers and hood cover. These five main parts are made out of special components detailed below: curtain shall be of 18G/3" lath sections cut to required size and filled with heavy cast iron / MS clips. For 8'0"(2.45m) high rolling shutter lath sections provided shall be not less than 37 numbers. Lock plate shall be 10G MS sheet and attached to the side brackets with 20mm square bar.Side brackets shall be of 10G MS plate and cast iron "U" clamps shall be rivetted to the side brackets. Roller shall be of heavy cast iron pullies fitted with heavy duty "C" class 40mm steel pipe and high tensile high carbon coil springs. 2 springs shall be supplied. Side brackets shall be of 10G MS plate and cast iron "U" clamps shall be rivetted to the side brackets. Hood cover shall be of 0.8mm CRCA sheet reinforced with 25mmx25mmx3mm MS angle or gate channel. The rolling shutter in addition to the above should have pulling hook and shall be coated on exposed area with heavy coat of red oxide primer etc., complete.

Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Windows of casement type (open) from the profile the size of outer frame 60mm x 58mm and shutter profile are reinforcement with GI/1mm 25GSM and 100% corrosion free, the profiles are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with over all the edges of frame and shutter the shutter will be provided with spag multi power point locks and also it operates as handle. The corners and joints should be welded and cleaned. Radiations free pin headed plain or brown olour glass 4mm thick should be provided to the shutter and it should not allow leakage of water even at most ranging storms and should have key lockable action, security protective hinges, strong locking systems and as per size for arresting noise and energy loss. The connecting mechanism between sash and outer frame that enables opening of the window. The window should be fixed to the wall with 100% packing with screws and silicon packing all round the frames. The window should be got approved from the executive Engineer before use on work

Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Louvered Ventilators of from the profile the size of outer frame 60mm x 58mm and shutter profile size of 60 x 78mm both profiles are reinforced with GI/1mm 125GSM and 100% corrosion free, the profile are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with all over the edges of frame and shutter. The corners and joints should be welded and cleaned. Radiations pin headed glass 4mm thick should be provided in the louvers. The window should be fixed to the wall with 100% packing with screws and silicon packing all round the frames. The ventilator should be got approved from the Executive Engineer before use on work

Manufacturing, Supplying and Fixing of Stainless Steel Hand rails for staircase using 50mm dia 304L Grade Stainless Steel pipe of 1.60mm thick at required locations to a height of 900mm from finished floor level welded to 38mm dia Stainless Steel pipe post of 1.00mm thick as vertical at 900mm centre with 2 Nos. of 25mm dia intermediate horizontal stainless steel pipe of 1.60mm thick in between and the top of hand rail is 150mm wide Teak Wood frames. The vertical pipe has to be welded to the 100 X 100 X 6mm MS base plate encased in the base concrete. The rate is inclusive of the charges for cutting, bending, welding, grinding, polishing, conveyance, electrical charges, etc. complete

Painting two coats of newly plastered wall surface with ready mixed exterior Texture paint of first quality and of approved colour over a priming coat including preparing the surface, clean removal of dirt and including necessary plaster of paris putty wherever required etc., complete complying with standard specification.

Varnishing two coats in all floors over the new wood work with Best Lac Polish of approved quality and colour with one coat of priming coat including cost of Varnising materials, brushes, putty, preparation of surfaces and scaffolding charges etc., complete complying with standard specification and as directed by the departmental officer

Paving the floor with best quality vitrified Double Charged Tiles of size 600 X 600 X 8mm and variety conforming IS 15622 with water absorption less than 0.08% of approved colour and shade laid over cement mortar bed of 20mm thick in cement mortar 1:3 (one cement and three crushed stone sand) with required Cement Slurry and Mortar Plasticizer in all floors and the top pointed with Water Resistant Tile Epoxy Grout etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Supplying and laying in flooring Synthetic Grey colour semi polished Granite Slabs of size 1200 X 600mm (Super fine polished with machine cut edges) of 18mm to 20mm thick (average) laid over base layer of cement mortar 1:3 (one cement and three sand) - 20 mm thick and applying cement slurry & pointed with white cement and colour pigments to the colour of stones and polished neatly as directed by the deparmental officers

Dadooing the walls with best quality Glazed Tiles of size 300 X 450 X 8mm and variety conforming IS 15622 with water absorption less than 0.08% of approved colour and shade laid over cement mortar bed of 10mm thick in cement mortar 1:3 (one cement and three plastering sand) with required Cement Slurry and Mortar Plasticizer in all floors and the top pointed with Water Resistant Tile Epoxy Grout etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Supplying and filling in foundation and basement with Good Earth outside the boundary 5Km from in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

Providing & fixing PVC RAIN WATER DOWNFALL PIPE of 110mm dia with necessary T.W.Clamps Plugs, Shoes,Bemds, other clamps, screws nails etc.,complete complying with standard specification. The rate is inclusive of cost of removable iron gratings of appropriate size. The size of Teak Wood plugs used is 150X25mm in front & 200x75mm in rear (wall side) with a depth of 110mm. The pipe is to be fixed by means of "U" clamps at the centre of pipes to be fixed.110mm dia PVC Pipe [4 Kg/SqCm]

Supplying and fixing in position best quality approved make white glazed earthenware wash hand basin of size 550 X 400 mm with a pair of cast iron brackets, including cost of 15mm diametre brass chromium plated piller tape,32 mm diametre C.P. Waste union, 32 mm diametre P.V.C. waste pipe with rubber plug and chain, 15mm diametre G.M.wheel valve, 15mm dia brass nipple, 15mm dia nylon connections etc., including fixing the wash hand basin in the wall in position with a pair of C.I. brackets with teak wood plugs and screws and giving necessary water supply connection and paintiung the brackets with two coats of paint over a primimg coat of anticorrosive paint including testing for leackage etc., complete complying with standard specifications

Supplying and fixing in position Indian water closet of size 580 X 440mm, white glazed earthen ware of approved quality with 'P' trap or 'S' trap confirming to IS:2556 - Part XII with sand cushion and forming flooring alround the closet using 40mm broken brick jelly in lime concrete 1:2:5 ( one part of lime, two parts of sand and five parts of brick jelly) 100mm thick and finishing the top to required slope and including giving necessary connection to cast iron soil pipes/ PVC pipes by dismandling brick masonry, reinforced cement concrete roof/floor slab and making good the disturbed portion to original condition without leakage etc., complete complying with standard specifications and as directed by the departmental officers.

Supplying and fixing in position White / Colour Special Delux Model Glazed Cascade Type Parryware / Hindware / Equivalent Wall Mounted European Water Closet of best quality and approved make with 100mm “P” or “S” trap connecting with CI pipe of 100mm dia / PVC pipe of 110mm dia, double flapped rigid PVC black seat and seat cover with CP brass hinges including cost of white cement, cement for packing, spun yarn, teak wood plugs, brass screws, etc., including supplying and fixing 10 litres capacity PVC / 12.5 litres capacity porcelin low level flushing tank with a pair of CI brackets, etc., complete with all fittings, such as, 15mm brass ball valve with polythene float with brass handle, union coupling connected by means of 40mm white PVC flush hand using indian adopter joint including all internal fittings, such as, 15mm bras connections, 15mm GM wheel valve, 15mm brass nipple (2 Nos.), 15mm nylon connection, TW plugs, screws and also giving necessary connection to the PVC pipe and painting the CI brackets with 2 coats of approved paint over one coat of red oxide primer, dismantling the masonry and re-doing the dismantled masonry to original condition, etc., complete complying with standard specifications.

Supplying laying and jointing U. P.V.C pipes (6Kg/SqCm) of approved quality and best variety conforming to I.S.S & with I.S.I mark, of the following sizes including cutting , Fixing to PVC specials using Adhesive but excluding cost of such specials and fixing to wall with necessary teak - Wood Plugs,PVC Clamps and screws,making holes on the wall or drilling holes in roof and making good the dismantled portions to original condition with necessary brick work and plastering wherever necessary with necessary scaffolding charges.

32MM dia,PVC pipe

25mm dia.PVC pipe

Supplying and fixing in position indian make bewelled edge mirror of approved quality and brand of size 600 X 450mm wth necessary plastic back, PVC frame with bottom stand of approved colour with brass screws,rawal plugs etc., complete complying with standard specifications.

Supplying and fixing best approved quality Brass C.P anodised Towel rail 600mm. long and 20mm Diameter with brackets of same material including cost of Teak-Wood plugs and C.P.Screws etc., complete complying with standard specifications

Supplying and fixing best approved quality C.P.Soap Tray of size 150mm X 100mm including cost of Teak Woodplugs, brass screws complete complying with standard specifications.

Supply and fixing of PVC. Nahini / Floor Trap with stainless Steel Gratings - 100 mm x 75 mm including all charges etc, complete as per standard specification.

Supplying and fixing in position first quality and approved variety of Gun Metal Gate Valve (Heavy type ) with I.S.I.mark of the following sizes including cost of Shellac , thread etc,.including labour for cutting and threading of G.I.Pipes etc.,complete complying with standard specifications for both internal and external water Supply arrangements.

20mm dia G.M.Gate Valve

25mm dia G.M.Gate Valve

Suppling and fixing in position 15mm.diameter brass screw down tap (heavy duty) of approved make conforming to I.S.specifications and quality including cost of shellac, thread etc.complying with standard specifications and including cutting and threading wherever necessary.

Supplying and fixing in position P.V.C. specials such as plain bend, door bend, plain tee, door tee, offsets,Y-junction, plain or with door of various sizes best quality confirming to I.S.S and providing leakproof joints including fixing to wall and giving connection to the P.V.C, soil stacks, dismadling the brick masonry or R.C.C. floor or Roof slab and redoing the dismandled portion to original condition etc., complete complying with standard specifications.

110mm dia PVC Elbow

110mm dia PVC Tee

110mm dia PVC Door Elbow

110mm dia PVC Door Tee

110mm dia PVC Door Yee

90mm dia PVC Elbow

90mm dia PVC Tee

90mm dia PVC Door Elbow

90mm dia PVC Door Tee

90mm dia PVC Door Yee

Supplying and fixing in position best quality P.V.C soil/ waste pipes (6KSC) of various sizes having ISI mark and providing leakproof joints including fixing to the wall with P.V.C/ M.S clamps etc., and making connection to all sanitary fittings, dismandling masonry/R.C.C. works wherever necessary and making good the dismandled portion to the original condition, complying with standard specifications.

110mm dia PVC 6KSC Pipe

90mm dia PVC 6KSC Pipe

Plastering the surface of walls with Cement Mortar 1:3 (One cement and Three plastering sand), 20mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing in position C.I.Manhole covers (light or heavy duty) of 600 X 600mm in size in C.M 1:3 (One Cement and Three Plastering Sand (P - Sand)) 20mm thick, of best approved quality and as per standard specifications etc.,complete.

Constructing Inspection Chamber of Internal size 600mm x 600mm up to 1M depth with 150mm thick cement concrete in foundation 1:5:10 mix using 40mm size stone jelly, 230mm thick brick work alround in cement mortar 1:5 mix using best quality bricks, plastering with CM 1:5 for interior surfaces to smooth finish, plastering 12mm thick to exterior surfaces, providing 150mm thick RCC slab to required size with Steel in reinforcement, making suitable wooden form work, providing and fixing 600mm x 600mm Intl. size clear opening heavy duty (withstand 20,000 Kg) precast concrete fibre reinforced Manhole cover and frame, providing and fixing encapsulated Manhole step in PVC to Manholes beyond 1000mm depth, making earth work excavation to required sizes , refilling the sides with excavated earth disposing of surplus earth as directed by the site engineer etc. complete.

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