Restoration of damaged existing main breakwater at Thengapattanam Fishing Harbour in Kanniyakumari District

Formation of Core layer for rubble mound break water with quarry run hard blue granite stone of weight 10Kg- 500Kg having a specific gravity of not less than 2.65 as per approved design and drawing including quarrying, loading transporting by tippers/lorries weighing in the electronic weigh bridge for measurement, dumping, placing in position to required level, profile and finishing the side slopes 1 : 1.33 on lee side and 1:2 on sea side with necessary equipment and devices as per the drawings and specification etc complete as directed by the Departmental Officers. The rate is also inclusive of placing, sectioning and finishing with necessary equipment and devices and hire and operational charges of tools and plants etc. (The payment shall be made on weight basis (ie) ladden weight minus unladden weight). The contractor has to make his own arrangements for weigh bridge.

Formation of Secondary layer for rubble mound break water with quarry run hard blue granite stone of weight 1000Kg- 2000Kg having a specific gravity of not less than 2.65 as per approved design and drawing including quarrying, loading transporting by tippers/lorries weighing in the electronic weigh bridge for measurement, dumping, placing in position to required level, profile and finishing the side slope 1 : 1.5 with necessary equipment and devices as per the drawings and specification etc complete as directed by the Departmental Officers. The rate is also inclusive of placing, sectioning and finishing with necessary equipment and devices and hire and operational charges of tools and plants etc. (The payment shall be made on weight basis (ie) ladden weight minus unladden weight). The contractor has to make his own arrangements for weigh bridge.

Formation of Primary Layer for rubble mound break water with quarry run hard blue granite stone of weight ( 300kg to 600Kg) & (300kg to 900kg) having a specific gravity of not less than 2.65 as per approved design and drawing including quarrying, loading transporting by tippers/lorries weighing in the electronic weigh bridge for measurement, dumping, placing in position to required level, profile and finishing the on both sides with necessary equipment and devices as per the drawings and specification etc complete as directed by the Departmental Officers. The rate is also inclusive of placing, sectioning and finishing with necessary equipment and devices and hire and operational charges of tools and plants etc. (The payment shall be made on weight basis (ie) ladden weight minus unladden weight). The contractor has to make his own arrangements for weigh bridge.

Removing the 5Cum/12T Corelocs from the existing main break water using crane (or) other suitable machineries, loading transporting by lorries/tippers to placing at the stacking yard as directed by the Departmental Officers. (The payment shall be made on Pre-levels/Pre-measurements before execution and after execution).

Replacing the 5Cum/12T Corelocs on the proporsed break water trunk portion sides using crane (or) other suitable machineries, transporting by lorries/tippers from the stacking yard complete as directed by the Departmental Officers. (The payment shall be made on Pre-levels/Pre-measurements before execution and after execution).

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand 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)

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 specifcation. (Payment for centering shall be given after the concrete is laid).

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method 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, 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).

Sub Total Amount for above all items (excluding GST)

GST 18% for above SubTotal Amount