Construction of First floor building in Government Library at Avarampalayam in Ward no 28, North zone

Amount

Dismantling the existing damaged brick work in cement mortar including all labour charges

Dismantling the existing damaged RCC including all labour charges

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton. (Payment for centering shall be given after the concrete is laid)

For plane surfaces such as rectangular or square RCC columns, sunshades, top and bottom slab of RCC boxing, etc.

For plane surfaces such as RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc.

M-25 CONCRETE - Providing and laying in position, standarised design mix M-25 Grade using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 350Kg/m3 and maximum water cement ratio of 0.55, including admixture(plasticiser/super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.70 cu.m.)940.50Kg of 20mm machine crushed stone jelly and with about (2.80 cu.m.)462.00Kg of 10-12mm machine crushed jelly and with about (4.25 cu.m.)701.25Kg of 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 neccessary without clambing 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 requierments of IS 383-2016. (No separate payment will be made by the department for the exces usage of materials as per design mix.)

Ground Floor

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

Fly ash Brick work in CM 1:5 (one cement & five sand) using size 9"X4 3/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification -

Brick partition walls of 10.80cm thickness using II class table moulded bricks 9" x 4-3/8" x 2-3/4" in Cement Mortar 1:3 (One Cement and Three Sand ) using hoop iron reinforcement if found necessary including curing etc. complete and as directed by the departmental officers. (Hoop iron reinforcement will be measured and paid for separately)

Plastering with cement mortar (1:5) 12mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications (S.I.306)

Plastering with cement mortar 1:3,10 mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications (S.I.306)

Plastering with cement mortar (1:3) 12mm thick in all floors including cost and conveyance of all materials to site and labour charges etc, complete complying with standard specifications

Painting

Painting two coats with ready mixed Plastic Emulsion Paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification.

Flooring

Paving the floor with descrgned coloured vitrified tiles of size 600 x 600 x 8mm of best quality and approved variety complying / confirming ISI specification land over cement mortar 1:3 (one cement and three sand) 20mm thick and pomted with same coloured cement neatly etc., complete.

UPVC WindowSpecification: 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 125GSM 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 Espag 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 colour 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 (PWD SOR 2020-2021, P.No 65)

Supply and fixing of M.S Grills with Doors and Windows with one coat of Red oxide with Primer including all costs such as welding,grinding and fabrication charges, cost and conveyance of all materials to site etc,complete as per standard specification.

Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Providing & fixing PVC RAIN WATER DOWNFALL PIPE of the following 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]

Weathering Course with Concrete Broken Brick (S.I.No.278) & ( P & D) Data 54.Jelly 20mm gauge in pure slaked lime (no sand to be added) over roof slab, the proportion of brick jelly to lime being '32 to 12.5 well boated with wooden beaters for giving required slope and thickness as directed by the departmental officers etc., complete.-10 cum

Finishing the top of roof with Flooring with Ellis pattern using 6mm chips (No sand to be used)including curing etc., co

Earthing as per ISI Specification with an earth electrode of 2.1mt class 'B' GI pipe of Dia not less than 40mm and with 20mm Dia copper earth flat of size 125mm x50mmx6mm, with funneling arrangement using charcoat, common salt, G.I.reducer, check nuts etc., and mansonry workhand providing RCC cover slab 38mm thick for the Brick masonry including cost of steel and fabrication of reinforcement etc., complete in all respects as directed by the departmental officers. (SD 234)

Supplying and run off 8 SWG copper wire on walls or below ground level with necessary 'U' nails, earth work excavation and refilling & including the cost of all materials etc., complete in all respects as directed by the departmental officers.(SD 75)

Supplying and Fixing of 3 Phase DB with MCB 12 way TPMCB sheet steel distribution boards (flush type/surface type) fitted with bus bars and neutral links with three phase MCB outgoings and separate 4 way provision for accommodating One No. 4 pile incoming MCB / Isolator and another separate 4 way provision for accommodating One No. 4 pole ELCB / RCD (totally 8 ways in one segment) (3 x 4 ways in each segment) and separate provisions for MCB / Isolator (totally 12 Nos.) for sub incomers in 3 segments with label holder etc.complete in all respects as directed by the departmental officers ( SD No 179)

Supply and run off 2 of 2.50sqm PVC insulated single core unsheathed copper conductor cable of 1100 V grade with ISI mark confirming to IS:694/1990 with continuous earth connection by means of 1.50 sqm PVC insulated single core unsheathed copper conductor cable confirming to IS:694/1990 in suitable PVC rigid pipe 1.8mm thick concealed in wall for mains including the cost of PVC pipes and specials, cables, cement, brass screws, T.W plugs, saddles and labour etc., complete in all respects as directed by the departmental officers. (derived from SD 55)

Supply and run off 2 of 1.5 sqmm PVC insulated single core unsheathed copper conductor cable of 1100 V grade with ISI mark confirming to IS:694/1990 with continious earth connection by means of 1.50 sqmm PVC insulated single core unsheathed copper conductor cable confirming to IS:694/1990 in suitable PVC rigid pipe 1.8mm thick concealed in wall for mains including the cost of PVC pipes and specials, cables, cement, brass screws, T.W plugs, saddles and labour etc., complete in all respects as directed by the departemental officers. (derived from SD 54)

Supply and run of 4 core 16 Sq.mm PVC Armoured cable of 1100 V grade with ISI mark. (ED V 1 r)

Supply and run of 4 core 10 Sq.mm PVC Armoured cable of 1100 V grade with ISI mark(ED V 1 q)

Wiring with 2 x 1.5 sqmm (22 /0.3 ) PVC insulated single core unsheathed copper conductor cable of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories inflush with wall with 3mm thick hylum sheet cover with TW switch box and 5A F.T. switch with continuous earth wire connection of 14 SWG TC wire for making good of the concealed portion with suitable colour for PVC concealed light point / Fan point (For Electronic regulator). SD 23

Wiring with 2 x 1.5 sqmm (22 /0.3 ) PVC insulated single core unsheathed copper conductor cable of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories inflush with wall with 150 x 100 x 113 mm TW switch box with 3mm hylum sheet cover for 5A 3 pin non inter locking CS plug with continuous earth wire connection of 14 SWG TC wire and making good of the concealed portion with suitable colour for concealed PVC plug point. SD 38

18W LED 3000K Round Type Recessed Fitting with LED

Supply and fixing of 1200mm (48") sweep AC ceiling fan complete with stepped electronic regulator with 300mmdown rod on the existing clamp (SD110)

Supply and fixing of 400mm Sweep-wall mount fan

Supply and delivery and fixing of HDPE tank as per IS 12701 / 1996 including loading,unloading, transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges etc.,

Supplying and fixing in position first quality and approved variety of Gun metal Gate Valve / Wheel Valve with BIS make of the following dia including cost of shellac, thread balls, etc., complete complying with standard specifications (for both internal and external water supply arrangements). The valves to be used on work shall be got approved by the Executive Engineer before use on work.

25mm Gun metal Gate Valve

40mm Gun metal Gate Valve

Supplying and fixing in position 15mm dia brass CP screw down tap / Pillar tap (heavy duty) of approved make conforming to BIS specifications and quality including cost of shellac, thread, etc., complete complying with standard specification and including cutting and threading wherever necessary. (Taps should be got approved by the Executive Engineer before use on the works)

SD Tap

Pillar Tap

Supplying, laying and jointing PVC pipes (having working pressure 10 kg. / sq.cm) of approved quality and best variety conforming to BIS of the following dia including cutting, threading and fixing PVC specials using PVC adhesives (but excluding cost of such specials) and fixing into wall with teak wood plugs, PVC clamps and screws making holes on the wall (or) drilling holes in the roof and making good the dismantled portion to original condition with necessary brick work / cement concrete and plastering neatly wherever necessary with necessary scaffolding charges, etc., complete complying with standard specifications. The PVC pipes shall be got approved by Executive Engineer before use on works.

25mm dia

32mm dia

Supplying PVC Specials (with working pressure 10 kg. / sq.cm.) in water supply arrangements (both in internal and external water supply arrangements

25mm Pipe coupler

32mm Pipe coupler

25mm Pipe elbow

32mm Pipe elbow

25mm Pipe Bend

32mm Pipe Bend

25mm Pipe Tee

32mm Pipe Tee

25mm Pipe end cap

32mm Pipe end cap

25 mm x 20 mm Reducer

32 mm x 25 mm Reducer

25 mm x 20 mm Reducer Tee

32 mm x 25 mm Reducer Tee

25 mm x 20 mm Reducer Elbow

32 mm x 25 mm Reducer Elbow

25mm Pipe Jet Nipple

32mm Pipe Jet Nipple

Supplying and fixing in position 15mm dia C.P.Shower rose & stop cock of approved make confirming to IS specifications and quality including cost of Shellac thread etc. complying with standard specification.

C.P. Shower Rose

Stop Cock

CHITHRAVARSINI AND CO (BID ID -1107680)

M.Rajendran (BID ID -1107726)