Civil works for Network stations (FCS, AWS, DWLR etc.,) and Construction of Store shed in respect of Ground Water Division,Trichy under National Hydrology Project

Amount

Dismantling, clearing away and carefully stacking materials useful for re-use for any thickness of Brick / stone masonry in Cement mortar walls under 3m high

Dismantling, clearing away and carefully stacking materials useful for re-use for any thickness of Doors & windows including removal of frames, hinges and fastenings

Earth work excavation for foundation (for narrow excavation) in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification.

Refilling with excavated earth other than Crushed stone sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15 cm thick well rammed, watered and consolidated etc. complete complying with standard specification

Supplying and filling in foundation and basement, etc with filling Crushed stone sand (M-SAND) in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One Cement, Five Crushed stone sand (M-SAND) and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification

Cement Concrete 1:5:10 (One cement, Five Crushed stone sand (M-SAND) and Ten hard broken stone) using 40 mm gauge hard broken jelly for flooring including laying, consolidating, finishing, rendering the top surface rough to receive the floor, curing, etc. complete complying with standard specification. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers

Damp proof course with Cement Mortar 1:4 (One Cement and Four sand) 12mm thick mixed with best approved quality water proofing compound conforming to Indian Standard specification as specified by the departmental officers at 2% by weight of cement used, finishing and curing etc. complete complying with 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, 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 over silver oak joists of size 10cm x 6.5cm spaced at about 75cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid)

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 RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc.

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

Providing and laying in position, standardised concrete Mix M-2o Grade in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/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 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 (M-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).

Foundation and Basement

For Ground floor

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Brick work In Cement Mortar 1:6( one cement and six Crushed stone sand (M-SAND)) Cement Mortar using best quality Fly ash bricks of size 23x11x7cm for the following including curing etc.,complete complying with standard specification.

For foundation and basement

In ground floor

Brick partition walls of 11.50cm thickness using best quality Fly Ash Bricks of size 23 x 11 x 7 cm in Cement Mortar 1:3 (One Cement and Three Crushed stone sand (M-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)

Ground Floor

Paving the floor with best quality Double charged Vertified tiles 600 x 600 x 8mm of approved colour, shade and quality laid in cement mortar 1:3 (one cement and three sand) 20mm thick in all floors and the top pointed with the white cement mixed same colour pigments etc., complete complying with standard specification. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Finishing the top of roof with Combination mortar 1::1:6- (one cement, one lime and six sand) with standard thickness of 20mm thick in curing fintshing including all labour charges etc., complete complying with standard specifications.

Supplying and fixing fine polished cuddapah slab of following thickness for cup-board arrangements including laying to correct alignment with necessary cement mortar and black powder etc, complete complying with standard specification and as direct.

20 / 30mm thick

Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes having a pressure of 4 kg. / sq.cm including cost of necessry PVC shoe, PVC bend, cast iron gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc., complete. The rate shall be inclusive of cast of removable cast iron grating. The PVC pipe shall be fixed in wall with special type of "U" clamp at the centre of the pipe line in addition to those for more than 3.0 metre pipe length, etc., complete complying with standard specification.

160mm dia PVC Pipe

Plastering with Cement Mortar 1:5 (One cement and Five Crushed stone sand (M-SAND)), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

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 Crushed stone sand (M-SAND)) 10mm thick including hacking the surfaces, providing cement mortar nosing, beading for sunshades, staircases, steps, landing slabs and curing, etc., in all floors complying with standard specification and as directed by the departmental officers

White washing two coats with freshly burnt white shell lime in all floors including cost of lime, blue powder fevicol type gum, brushes, scaffolding charges, etc., complete complying with standard specification and as directed.

Store shed

Piezometer Station-Thuraiyur,kilumathur and Egaperumalur

Painting the wall two coats with approved weather proof Exterior Emulsion paint over one primer coat of over cement plastered wall surface ect., complete complying with 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.)

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 upto 4 metre height above ground level, etc., complete complying with standard specifications. The PVC pipes shall be got approved by Executive Engineer before use on works( Internal Water Supply - Above Ground Level

20 mm dia PVC pipe

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 upto 4 metre height above ground level, etc., complete complying with standard specifications. The PVC pipes shall be got approved by Executive Engineer before use on works. (External Water Supply - Above Ground Level)

20 mm dia pipe

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

20 mm Dia Elbow

20 mm Dia Tee

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.

20 mm 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)

Screw down tap

Supplying and fixing M.S. Grill for opening corridor side ladder, entrance gate and name board angle using M.S. flats for inner and outer members which should be fixed as directed by the departmental officers including cost of providing one coat of red oxide primer. The design of MS Grill should be got approved from the departmental officers before use on work.

Supplying , fabricating and fixing in position Aluminium Anodised natural colour mat finish Two track sliding window in all floors with Aluminium sections of outer Frame bottom 62x37mmx1.50mm at 1.218 kg/m,the Side & Top 62x31.50x1.50mm at 0.778 kg/m,Shutter Top 40x18x1.5 at 0.38 kg/m,Bottom 40x18x1.5 at 0.38kg/m, Side Vertical 40x18x1.50mm at 0.493 kg/m, Vertical locking section 40x29x1.5mm at 0.632 kg/m, with necessary accessories such as rubber beadings, special hinges, lock, handle including supplying and fixing 4mm thick plain glass including cost of all materials , labours, power consumption required for fabrication , drilling holes in RCC colunm, slab, masonry walls wherever necessary with power drills to the required extent and make good to the original condition after fixing and also as directed.The aluminium sections are to be anodised with matt finish under electrically controlled in accordance with IS 1868 / 1962 for an average anodic film thickness 15 microns etc., complete.

Supplying , fabricating and fixing in position Aluminium Anodised natural colour mat finish Three track sliding window in all floors with Aluminium sections of Outer Frame bottom [email protected] kg/m,Top & vertical 92.34x29.70x1.50 at 1.066 kg/m, Shutter vertical 39x20x1.50 at 0.493 kg/m,Top & Bottom 18x36.6x1.50 at 0.439 kg/m,Vertical locking arrangement 28.94x39x1.50at0.632 kg/m, the follwing sizes with necessary accessories such as rubber beadings, special hinges, lock, handle including supplying and fixing 4mm thick plain glass including cost of all materials , labours, power consumption required for fabrication , drilling holes in RCC colunm, slab, masonry walls wherever necessary with power drills to the required extent and make good to the original condition after fixing and also as directed.The aluminium sections are to be anodised with matt finish under electrically controlled in accordance with IS 1868 / 1962 for an average anodic film thickness 15 microns etc., complete.

Supplying and fixing in position best quality approved make white glazed earthernwere sink of size of 600 x 450 x 200mm including cost of 32mm dia CP waste coupling, 32mm dia PVC waste pipe with rubber plug and chain, 15mm dia brass nipple including fixing the sink in position and testing for leakages etc., complete complying with standard specifications excluding CI brackets. [The sink and specials should be got approved by the Executive Engineer before use on works]

Earth work excavation for foundation and depositing on bank with initial lead of 10 m & initial lift of 2m in Sand, silt or other loose soil wet sand or silt not under water, light black cotton soil sandy loam and ordinary soil including excavated earth S.S. 20B to a required depth as directed by the departmental officers.(Piezometer Station-Thuraiyur,kilumathur and Egaperumalur)

Supplying erection and CENTERING for sides and soffits of plain surfaces such as slab etc., using M.S. Sheets of size 90cm x 60cm BG 10 gauge stiffended etc., complete complying with standard specification.(Piezometer Station-Thuraiyur,kilumathur and Egaperumalur)

Cement Concrete 1:3:6 (One Cement,three crushed stone Sand, and six hard broken granite jelly) using 20mm hard broken granite jelly to the work including curing and finishing etc., complete complying with the standard specifications.(Piezometer Station-Thuraiyur,kilumathur and Egaperumalur)

Plastering with Cement mortar 1:3, 12 mm thick complete complying with standard specifications.(Piezometer Station-Thuraiyur,kilumathur and Egaperumalur)

Fabricating and Supplying the encasing cover with 3mm thick M.S. Pipe to protect PVC casing pipe for a depth of 1.50 m of which 0.75 m goes below the G.L. and 0.75 m stands above G.L. including the Red oxide paint. (As per Quotation enclosed)(Piezometer Station-Thuraiyur,kilumathur and Egaperumalur)

Supply and fixing of chain link mesh-alround and as directed by the departmental officers .(Piezometer Station- Murugankudi and Sangampatti)

Fabricating and supplying of Protection Box for observation bore well using 5 mm thick M.S. Steel Plates to the dimension of 650 mm x 400 mm. Height of box at rear side is 530 mm and 450 mm at front side. Top cover with projection to be provided with necessary hinges and pad lock arrangement to open and lock the box. Necessary arrangements to be provided at the bottom of the box to embed the box with concrete platform.The cost includes all materials, labour for welding, one coat red oxide primer, painting with two coats of approved enamel paint, Bolt, Nut, Dindigul/Godrej Lock and Key, writing the bore well details on the protection cover and transporting to the following bore well site as directed by the departmental officers.(Piezometer Station-Thuraiyur,kilumathur and Egaperumalur)

Supplying of M.S.Grill enclosure of size 1.50 x 1.50 x 2.10 inclusive of one M.S. Grill gate of size 0.75 x 1.80 m as per specifications. The M.S. Grill enclosure should have 5 Nos. of the vertical M.S. Angle of size 40 x 40 x 6 mm for the four corners and one at rear gate. The alround horizontal ties are with three numbers of 40 x 40 x 6 mm M.S. angle one at botton and one at middle and one at top, 16 x 16 x M.S. Square rod are to be provided in between the vertical angles at 10 cm c/c. The gate should be of 0.75 x 1.80 m size with 40 x 40 x6 mm M.S. angle at round and one horizontal at middle including 16 x 16 mm M.S. square rod for vertical at 10cm c/c with necessary aldrop for locking arrangements. The top of Grill Enclosure should be covered with 6 Nos of MS angle of size 40x40x6mm and 13 Nos of 16 x 16 mm square rods.. The entire should be made with bolt and nut arrangements has to attach each side separately and it can be yearly fixed at site. The cost includes all cost of materials required, labour charges for cutting threading, bolt and nuts, one coat red oxide with two coats of enamal paint etc attached with Name board of size 0.90m x 0.60m and using 10 gauge M.S plate of 6mm thick and painting two coats using first quality synthetic enamal paint etc., complete and lettering the name board with best approved quality paint and colour including labour for lettering complete as directed by the departmental officers.(Piezometer Station-Thuraiyur,kilumathur and Egaperumalur)

GST for line items 1 to 40

M RAMESH

T NEDUMARAN