STORM WATER DRAINAGE AND CC ROAD IN CMCH COIMBATORE

Amount

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.

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.

Providing and laying the Granular Sub-base with close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory soil compactor to achieve the desired density, complete as per clause 401 (for grading-III Material) (GSB)

Providing and laying Wet Mix Macadam Base Course of 250mm compacted thickness in two layers of 125 mm thick or else as specified on the prepared sub base with graded stone aggregates and granular materials of quality size and grading placed in layers as specified , including mixing in base plant , spreading in uniform layer with motor grader and compaction with vibrating rollers of 80 to 100KN static weight and fine dressing to required grade and cross slope as shown in the drawing as per MORTH&H - V revision Specifications Clause 406.

CEMENT CONCRETE 1:5:10 [One Cement, Five Crushed Stone 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 Cement Mortar 1:5 [One Cement and Five crushed stone Sand] using best quality Fly Ash Bricks of size 23 x 11 x 7cm for the following including curing etc., complete complying with standard specifications. [Masonry projections wherever necessary for obtaining required elevation shall be done without extra cost].

For Foundation & Basement

Supplying and erecting shuttering 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 VERTICAL SLAB, SIDE SLABS OF BOXING, VERTICAL DROPS, FACIA, VERTICAL WALL, ETC.

Providing and laying in position, standardised concrete Mix M-20 Grade 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 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, retad 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 cs 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 & Basement

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]

PLASTERING the surface of walls with Cement Mortar 1:3 (One cement and Three P- sand), 12mm thick mixed with water proofing compound conforming to BIS at 2% by weight of cement and with Bonding agent Cebex112, Zydex -Zycrete 2X or other Equalent compound conforming to BIS at 200ml of One cement bag (50kg) for increased workability and air entrainment used finishing in all floors including curing etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing in position SFRC manhole covers (Heavy duty) of size 90cm x 90cm of best approved quality as per standard specification etc., complete compying with standard specifications

Supplying and laying of Interlocking Paver Block Stone 83mm thick Over a base layer of crushed stone sandfilling incl. Cost of materials laying and Labour charges etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing M.S.Grill for open courtyard, grill, grill work to doors, windows and ventilators using necessary M.S. flats for inner member and outer members which should be fixed as directed by the departmental officers inclusive cost of providing one coat of best quality red oxide primer.The design of M.S.Grill should be got approved from departmental 'officers before use on work.

Supplying and fixing in position best quality PVC SOIL / WASTE PIPES of various dia having 6 kg / sq.cm. pressure BIS mark and providing leak proof joints using PVC adhesives including fixing to the wall with special PVC / MS clamp, teak wood plugs, brass screws, etc., and making connection to all sanitary fittings, dismantling masonry. RCC works wherever found necessary and making the good dismantled portion to the original condition, including testing for any leakages, etc., complete complying with standard specifications. [The PVC pipes should be got approved by the Executive Engineer before use on works]. The rate for earth work excavation will be measured and paid separately in the cases where the pipe lines are proposed to laid below ground level.

160 mm dia

Supplying and fixing in position best quality RCC non pressure spun pipe with socket and spigot ends as per IS 458/2003 manufactured with sulphate resistant cement with 12 mm HI -alumina lining with rubber ring joints, dismantling masonry / RCC works wherever found necessary and making the good dismantled portion to the original condition, including testing for any leakages, etc., complete complying with standard specifications.

600mm dia RCC non pressure spun pipe

300mm dia RCC non pressure spun pipe

Construction of INSPECTION CHAMBER following clear sizes 0.60m X 0.60m including earth work excavation, CC 1:5:10 of 10 cm thick and brick work in Cement Mortar 1:5 [One cement and Five m sand] using best quality of Fly Ash Bricks of size 23x11x7cm with Plastering with Cement Mortar 1:3 [One Cement and Three P. Sand] 12 mm thick to inner and outer sides and wearing coat 1:3:6 [One Cement, Three cs Sand and Six Aggregate] 15 cm thick and covered with precast slab 5 cm thick etc., complete complying as directed by the departmental officers as per standard specification.

SRI BHANNARI AMMAN BUILDERS (BID ID -1170382)

sivaparameswari engineering construction and co (BID ID -1168810)