Civil Works

Amount

Earth work open 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 excavated earth with a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification.

Supplying and filling in foundation, basement, etc with filling 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 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

Brick work in following Cement Mortar 1:6, (One Cement and Six M-Sand) using best quality II class ground moulded chamber burnt bricks of size 9" x 4-3/8" x 2-3/4" for foundation and basement including curing, etc., complete complying with standard specifiction.

In Foundation and basement

For Superstructure in Ground Floor

Brick work in following Cement Mortar 1:5, (One Cement and five M-Sand) using best quality II class ground moulded chamber burnt bricks of size 9" x 4-3/8" x 2-3/4" for foundation and basement including curing, etc., complete complying with standard specifiction.

In Foundation and basement

In Ground Floor

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-20 Grade in accordance using 20mm with IS:456-2000, and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/ms and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, reta?d 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 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).

For foundation and basement

In Superstructure 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 partition walls of 11.50cm thickness using best quality II class ground moulded chamber burnt bricks of size 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)

For Superstructure in Ground Floor

Plain Cement Concrete 1:2:4 (one cement, two sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.

Paving the floor with best quality Double Charged Vitrified Tiles of size of size 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)

Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no 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 machine pressed tiles of size 230mm x 230mm x 20mm of approved quality set in Cement Mortar 1:3 (One Cement and Three M-Sand) 12mm 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 complying with standard specification and as directed by the departmental officers

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

Supplying and erecting pull and push type rolling shutter with ISI make of approved size and section using 18 GI sheet. The shutter shall be painted with one coat of red oxide primer and the rate is inclusive of hood covers, transportation charges etc.,

Supplying and fixing in position glazed steel ventilator with openable shutters frames and shutter framemade out of steel section conforming to IS 7452 / 1990.The outer frame made out of ' Z ' sec [F7D] of size 33 x 22 x 3 mm conforming to IS 7452/1990. The mullions are made out of [F4B] J section of size 46x25x3 mm and conforming to IS 7452 /1990. The shutters are individual and each of them can be operated separately.Sash bars are made of ' T ' Sec [T2] of size 25 x 22 x 3 mm 2 nos of sturdy hinges and one number of handle cum latch of special type are fixed are each openable shutter. Suitable opening in left for its easy operation one member of adjustable strings with fixing brackts of sufficient length are provided for each shutter 4 Nos. of 40 x 40 x 3 mm angle hold fast 230 mm length are welded with the frame at appropriate point

Supplying and applying of two coats of putty of 3mm thick over the exposed RCC surface of ceiling including finishing the joints smoothly with grinding machine and the surface shall be thoroughly cleaned out of dust and scrubbing. The surface shall then be allowed to dry for atleast 48 hours. It shall then be sand papered ( water proof abrasive sheet) to give a smooth and even surface. Any unevenness shall be made good by applying 1st coat of putty mixed with water on the entire surface including filling up the undulations and applying 2nd coat of putty after 6 hours of 1st coat of putty and then sand papering (water proof abrasive sheet) the same after it is dry and finishing the surface smoothly, etc., complete complying with standard specifications and as directed by the Departmental Officers.( The rates are inclusive of hire charges for grinding machine with sheel,cost of sand paper (water proof abrasive sheet), coat of putty blade, labour chargrs for grinding thr joints and sand papering,two coats of putty,scrapping the putty area to level the surface smooth,etc., complete.The putty should be got approved by the Executive Engineer before use on work.

Manufacturing, Supplying and fixing in position of steel windows with the following specifications. Outer frames of windows made of 'Z' section F7D of size 33 x 25 x 3mm at 1.419 Kg/m and mullion 'J' section (F4B) of size 46x25 x 3mm at 2.28 kg/m and shutter section of made of F7D of 33 x 25 x 3mm at 1.419 Kg/m as specified in IS 7452/1990. Each openable shutter should not exceed a width of 600mm to enable separate operations and easy maintenance. The panel of the shutters to be covered with 18 gauge cold rolled sheet of superior quality and welded intact with shutter frames. Horizontal stiffeners using 18x5mm MS flat at 0.70 Kg/m at 3 Nos. for each shutter and additional diagonal stiffeners of the same MS Flats at all the four corners of each shutters to the suitable length welded to the shutters, for holding the CR sheets in position firmly 4 numbers of sturdy hinges and Two number of handle-cum-latch of special type made with 18x5mm MS Flats are revetted to the shutters at an appropriate height in window. Suitable opening is left for its easy operation. A stopper square rod for handle is provided in the mullion section at suitable place to catch the window handle. Each window shutter having an adjustable stay made out of 18x5mm at 0.70 kg/m MS flat of length 320mm with three adjustable position. A matching peg is provided in the outer frame of the window at suitable place. 4 Nos. of hold fasts of 120mm length spliced at the nds are welded to the out frame of the window by using MS flat of 18x5 mm at 0.70 kg/m, welded to the shutter at two place equivalent from each other from top and bottom of the shutter. An MS square bar of 12mm size is welded to the inner face of the window at an equal interval not exceeding 100mm edge to edge between them. All members are painted with one cat of anti-corrosive red oxide primer as directed by the departmental officers. All sections should be in confirmed with IS7452/1990. The cost includes cost of all materials, labour charges and other incidental charges, etc., complete.

Three Leaves

Maniufacturing, supply and fixing of STEEL ENTRANCE DOOR with the folowing specification. MS angles of size 40x40x6mm @ 3.5 kg/m are used for the outer frmae and MS angle of size 35x35x5mm @ 2.6 kg/m for the shutter framed. Stiffeners with MS flat 32x6mm @ 1.50 kg/m is provided for fixing the aldrop for the door and welded intact. 18 gauge CR sheet is laid as panel in the shutters and welded intact for 1/3 bottom portion of the shutters.MS flats are provided as per design and laid upper pannel should be approved by the departmental officers. MS flat 32x3mm @ 1.10 kg/m is provided over the edge of one shutter, in case of a double door, to conceal the gap between the shutters. 2 Nos of hinges in case of single leaf and 4 Nos. of hinges in case of double leaf doors are provided at an appropriate place in the outer frame 6 Nos.of holdfasts of 120mm in length spliced at the ends are welded to the outer frame of the door. Tower bolt 2 Nos. one at One aldrop is provided in case of double leaf door at lock rail section in the door.For single leaf doors, one more aldrop is provided in the inner side atlock rail section in the door. One rotating locking arrangements for lock is provided on the rear side of the door at an appropriate place, in case of a double leaf door, MS flat 32 x 3mm @ 1.10 kg/m is provided on the edge of one shutter, to conceal the gap between the shutters.A tie bar is provided at the bottom of the outer frame to prevent twisting of frame during transportation of fixing. All members are given a shop coat of red oxide primer as directed by the departmental officers. The rate include coat of all materials, labour charges, transportation, taxes and all other incidental charges etc, complete.

Double leaf

Supplying and fixing for Sunshade using 60x40x5mm Rectangular Tube vertical, Horizontal and inclined for end of the sunshade and top is tied with 30x30x3mm Square Tube with bold nuts,dismantling the masonry and redoing same and fixing with cement concrete 1:2:4,the rate inclusive of cost of materials,labour charges for fabrication and fixing and one coat red oxide primer and two coat of iron paint etc complete as directed by the departmental officers.

60mmx40mmx5mm Rectangular Tube

30mmx30mmx3mm Square Tube

Supply and fixing in position of roofing with best quality of PPGL sheet (hundai sheet) in any colour including cost of 'S' or 'J' bolt and nut of suitable length GI and bitumen washers including cutting the sheet to required size if found necessary during execution etc., complete complying with standard specification and as directed by the departmental officers.

Painting two coats of newly plastered wall surface with ready mixed interior plastic emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.

Painting two coats of newly plastered wall surface with ready mixed exterior plastic emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., 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.)

Supply and fixing of stored pressure ABC (Mono Ammonium Phospate) Powder Type Fire Extinguisher of 6kg. Capacity as per IS:15683 with pressure gauge, discharge hose & control nozzle, wall mounting brackets, safety clip etc., including conveyance, all incidental charges, necessary scafolding and re-doing the dismantled portions to its original condition wherever found necessary etc., complete as per standard specification and as directed by the Departmental Officers. Make: EXCELLENT / SAFETY FIRST / EQUIVQLENT.

GST at 18%

S.VEERAN