Construction of Berthing Structure Development to Handle 20,000 DWT Vessels for Jetty No. 10 in Oil Jetty Area at New Mangalore Port

Positioning and setting upon and/or shifting and setting up piling equipment required for piling work at each piling locations as shown in the drawing and as directed including all labour, materials, fuel, tools, equipment’s etc., complete. For 1200mm Piles

Supplying, fabricating and providing steel cylindrical liners of 22 mm thick M.S plate to the required depth, 1200mm high as shown in the drawing including gas cutting, bending, welding at yard & site, transporting, driving of liners, all labour, materials, tools, equipments, fuel etc., complete

Lowering and pitching of fabricated liners of 22 mm at each pile location

Placing, Driving the M.S liners of the specifications as per item 2 above for1200mm dia vertical bored piles. The cost inclusive of charges for transporting to the pile location, aligning, lowering, pitching and driving the liners etc. complete as per standard specification and as directed by the Departmental officers

Boring for the piles to the required depth through all types of soil strata including cemented sand, boulder layers , weathered rock and hard rock if any upto the founding level and stacking the bored soil at convenient place and transported to the low lying area anywhere inside /outside the harbour area within a lead of 4 km or as directed by the Engineer’s representative and pile shaft cleaning and keeping of all records etc. including bentonite solution, labour, tools, equipment, fuel etc. all as per drawing, specification etc. complete as directed Note:i)In case the soil stratum at the founding level is loose the Engineer or his representative may direct the contractor to carryout additional length of boringii)The sample of bored materials of regular interval shall be collected and produced for the verification of the Engineer or his representative at no extra cost in the event of any dispute about the type of strata bored the samples so collected shall be referred to an authorized laboratory / agency identified by the Engineer and the decision of such authorized laboratory / agency is final and binding on both parties. However, the cost of such testing shall be borne by the contractor iii)Boring through all type of soil strata means soft soil, weathered rock, cemented sand, boulders and hard rock etc., iv)The boring in all type of soil measurement will be made on the basis of depth of boring from encountered soft soil level to founding/pile termination level. Then boring in hard rock shall be measured from level of encountered hard rock to pile termination level.v) All the boring depths shall be jointly measured actually at site and Engineer in-charge decision is final

Providing and placing in-situ concrete of grade M40 for piles using tremie method up to cut off level underneath the bentonite slurry including all sampling testing and records and all labour, materials, tools, equipment, fuel, etc., complete.,Note: Supply, fabrication of steel reinforcement shall be measured and paid under relevant item. (Rate shall include the cost of providing additional concrete above the cut-off level)

Providing and placing M-Sand for piles using tremmie method up to Top concrete Plugging level underneath the bentonite slurry including all sampling testing and records and all labour, materials, tools, equipment, fuel, etc., complete.,Note: Supply, fabrication of steel reinforcement shall be measured and paid under relevant item.

Supplying, fabricating and placing of TMT, Fe500D grade steel bars for Cast in situ pile reinforcement cages including lifting hooks for precast units and cutting, bending, welding, binding wire all as per technical specification, drawing, including all labour, materials tools, equipment, fuel and all sampling, testing and records etc., complete

Rock socketing: Providing Rock socketing 1.20 mts to 2.50 mts in depth for the moderate rock and depending upon the rock strength. The structural pile is embaded in to a drilled hole in bed rock to support high load structure including Machinairy hire charges, Labour, all lifts, transportation and all incidental charges etc. as per direction of Engineer-in-charge.