PILING WORKS AT 5TH STREAM ALUMINA REFINERY PLANT AT DAMANJODI, ODISHA AND RELATED FACILITIES AT VISHAKHAPATNAM PORT

Amount

Item No.-1:Piling Works BORED CAST IN SITU CONCRETE PILES

Item No.-1.01: NOTE:Provide and supply materials for Piling like Cement, reinforcement etc. all complete. Mobilisation of all necessary plants, equipments, properly calibrated instruments, Hydraulic piling rigs and hammers, trucks, cranes and other necessary modes of transport for material handling, supply of materials to be furnished by Contractor, posting qualified personnel, skilled and unskilled labour etc. to site of work, arranging kentledges and all other equipments, set ups required for conducting the various types of pile load tests, setting up properly equipped material/concrete testing laboratory, insurance, erecting and commissioning all plants and equipment essential for operating the contract. Rate shall also include various designs of concrete mixes, that may be required from time to time, mobilisation & demobilisation of all equipment rquired for timely completion of scope of work. (Bidder shall submit details of driving equipment and list of all equipment including pile hammers and rigs, cranes etc). Contractor shall also indicate the number of piling rigs cranes etc. (all in working condition) that he proposes to bring to site from time to time to execute and complete the work. The Contractor shall provide along with the bid, guarantee for pile load carrying capacities as mentioned in the tender. In case the Contractor differs on these capacities, the justification for same along with supporting calculations shall be provided for approval of Client / Consultant. Also piling method statement shall be submitted for approval of Client / Consultant, cost included in the piling item.

Item No.-1.02: Forming vertical piles by boring through all kinds of soils including hard murum with gravel and rock fragments inlcuding occasional boulders by DMC method using Bentonite slurry technique/bailer boring as specified, for various lengths from tip to cut off elevation of piles, filling the bore with M-30 grade concrete, using ordinary portland cement, as shown and called for on the drawings or as instructed by the OWNER/ENGINEER, with a minimum cement content of 400 Kg/cu.m. of concrete and with water cement ratio including the water contained in the aggregates not exceeding 0.45, etc. all as specified, inclusive of concreting minimum 600mm above specified cut off elevation of piles, cutting off piles at the specified level cutting / chipping off piles to specificed cut off level, exposing of the rebars etc, etc. complete in all respects. Initial lead for disposal of bored / excavated / chipped material shall be 1000 M (NOTE: Empty boring, if any and reinforcement shall be measured separately). THE ABOVE TO BE EXECUTED FOR 500 MM DIA. PILE. (for pile length of 0-10m from cut off elevation of piles to Pile Toe)

Item No.-1.03: All activities and scope same as 1.02 for 600 mm dia. pile.

Item No.-1.04: All activities and scope same as 1.02 for 750 mm dia. pile.

Item No.-1.05: All activities and scope same as 1.02 but for 1000 mm dia. pile.

Item No.-1.06: All activities and scope same as 1.02 but for additional length above 10m up to 20m for 500 mm dia. pile.

Item No.-1.07: All activities and scope same as 1.03 but for the additional length above 10m up to 20m for 600 mm dia. pile.

Item No.-1.08: All activities and scope same as 1.04 but for the additional length above10m up to 20m for 750 mm dia. pile.

Item No.-1.09: All activities and scope same as 1.05 but for the additional length above10m up to 20m for 1000 mm dia. pile.

Item No.-1.10: All activities and scope same as 1.06 but for additional length above 20m for 500 mm dia. pile.

Item No.-1.11: All activities and scope same as 1.07 but for additional length above 20m for 600 mm dia. pile.

Item No.-1.12: All activities and scope same as 1.08 but for additional length above 20m for 750 mm dia. pile.

Item No.-1.13: All activities and scope same as 1.09 but for additional length above 20m for 1000 mm dia. pile.

Item No.-1.14: Empty boring for vertical piles, measured from the working level to cut off level plus 600 mm above the cut off level for 500 mm dia. pile.

Item No.-1.14A: All activities and scope same as 1.02 but for Socketing in hard rock

Item No.-1.15: All activities and scope same as 1.14 but for 600 mm dia. pile.

Item No.-1.15A: All activities and scope same as 1.03 but for Socketing in hard rock

Item No.-1.16: All activities and scope same as 1.14 but for 750 mm dia. pile.

Item No.-1.16A: All activities and scope same as 1.04 but for Socketing in hard rock

Item No.-1.17: All activities and scope same as 1.14 but for 1000 mm dia. pile.

Item No.-1.17A: All activities and scope same as 1.05 but for Socketing in hard rock

Item No.-1.05A: Forming vertical piles by boring through all kinds of soils including hard murum with gravel and rock fragments inlcuding occasional boulders by DMC method using Bentonite slurry technique/bailer boring as specified, for various lengths from tip to cut off elevation of piles, filling the bore with M-30 grade concrete, using ordinary portland cement, as shown and called for on the drawings or as instructed by the OWNER/ENGINEER, with a minimum cement content of 400 Kg/cu.m. of concrete and with water cement ratio including the water contained in the aggregates not exceeding 0.45, etc. all as specified, inclusive of concreting minimum 600mm above specified cut off elevation of piles, cutting off piles at the specified level cutting / chipping off piles to specified cut off level, exposing of the rebars etc,. complete in all respects. Initial lead for disposal of bored / excavated / chipped material shall be 1000 M (NOTE: Empty boring, if any and reinforcement shall be measured separately). THE ABOVE TO BE installed / EXECUTED FOR 1000 MM DIA. CONTIGUOUS / SHORE PILE AT 1100mm C/C, forming a retaining wall to support deep excavation of approx. 13m depth. These piles are further required to be anchored into rock for a depth of 6m. (for pile length of 0-10m from cut off elevation of piles to Pile Toe)

Item No.-1.03A: All activities and scope same as 1.05A for 600 mm dia. Shore pile at 700mm C/C.

Item No.-1.09A: All activities and scope same as 1.05A but for additional length above 10m up to 20m for 1000 mm dia. pile.

Item No.-1.13A: All activities and scope same as 1.09A but for additional length above 20m for 1000 mm dia. pile.

Item No.-1.18: Providing Reinforcement steel in RCC works at all heights and depths, as per drawing and specifications including preparation and obtaining approval of bar bending schedule, straightening, decoiling, removing mil-scales and rust, cutting, bending to required shape, placing, binding in position, welding wherever required, supply of approved type of binding wire, mechanical anchorage, etc. all as per section FOUR of technical specifications and for High Yield strength Deformed (HYSD) TMT bars conforming to IS:1786 grades : Fe 500.

Item No.-1.19: Extra over item 1.02 to 1.17A, 1.05A, 1.03A, 1.09A, 1.13A, 1.52 to 1.58 as applicable for carting away, stacking and spreading bored/excavated soil/ chipped material beyond the initial lead of 1 KM and upto 5 km.

Item No.-1.19A: Extra over item 1.19 as applicable for carting away, stacking and spreading bored/excavated soil/ chipped material beyond 5 KM up to 10 KM.

Item No.-1.19B: Extra over item 1.19A as applicable for carting away, stacking and spreading bored/excavated soil/ chipped material beyond 10 KM up to 15 KM.

Item No.-1.19C: Extra over item 1.05, 1.09, 1.13, 1.17, 1.17A, 1.52 to 1.58 as applicable for carting away, stacking and spreading bored/excavated soil/ chipped material from Port area beyond the initial lead of 1 KM outside NALCO premises. Suitable area for disposal with appropriate statutory compliance shall be located by the contractor.

Item No.-1.20: Extending piles above cut off level, if required, including supplying and pouring M-30 concrete with a minimum cement content of 400 Kg/cu.m. of concrete and with water cement ratio (including water contained in the aggregates) not exceeding 0.45 inlcuding all shuttering, vibrating, curing, etc. complete but excluding reinforcement (Any building up of piles upto specified cutoff level if required to be done, due to any reason other than design change shall be at piling CONTRACTOR's cost) for 500 MM DIA. PILE.

Item No.-1.21: All activities and scope same as 1.20 but for 600 mm dia. pile.

Item No.-1.22: All activities and scope same as 1.20 but for 750 mm dia. pile.

Item No.-1.23: All activities and scope same as 1.20 but for 1000 mm dia. pile.

LOAD TESTING ON PILES : A. INITIAL LOAD TESTS

Item No.-1.24: Carrying out initial cyclic vertical load test on single vertical test pile as per IS-2911 with loading equal to two and half times the proposed safe bearing loads including necessary arrangements such as jacks, measuring devices, structural frame work for platform, kentledge, all complete as required. Providing and installing test piles shall be measured and paid separately for 500 mm dia. bored cast-in-situ piles.

Item No.-1.25: All activities and scope same as 1.24 but for 600 mm dia. bored cast in situ piles.

Item No.-1.26: All activities and scope same as 1.24 but for 750 mm dia. bored cast-in-situ piles.

Item No.-1.27: All activities and scope same as 1.24 but for 1000 mm dia. bored cast-in-situ piles.

Item No.-1.28: Carrying out initial cyclic lateral load test on single vertical pile as per IS 2911 with loading equal to two and half times the proposed safe bearing loads including all necessary arrangements such as jacks, measuring devices, structural framework for platform, kentledge, all complete as required. Providing and installing test piles shall be measured and paid separately for 500 mm dia. pile.

Item No.-1.29: All activities and scope same as 1.28 but for 600 mm dia. pile.

Item No.-1.30: All activities and scope same as 1.28 but for 750 mm dia. pile.

Item No.-1.31: All activities and scope same as 1.28 but for 1000 mm dia. pile.

Item No.-1.32: Carrying out initial pull out load test on vertical test piles as per IS:2911 (Type of loading shall be as per cyclic loading method) with loading equal to two and half times the proposed safe bearing loads including all activities as mentioned in 1.24 for 500 mm dia. pile.

Item No.-1.33: All activities and scope same as 1.32 but for 600 mm dia. pile.

Item No.-1.34: All activities and scope same as 1.32 but for 750 mm dia. pile.

Item No.-1.35: All activities and scope same as 1.32 but for 1000 mm dia. pile.

B. ROUTINE LOAD TESTS

Item No.-1.36: Carrying out routine cyclic vertical load test on single vertical working pile as per IS 2911 with loading equal to one and half times the proposed safe bearing loads including all necessary arrangements such as jacks, measuring devices, structural framework for platform, kentledge, all complete as required for 500 mm dia pile.

Item No.-1.37: All activities and scope same as 1.36 but for 600 mm dia. pile.

Item No.-1.38: All activities and scope same as 1.36 but for 750 mm dia. pile.

Item No.-1.39: All activities and scope same as 1.36 but for 1000 mm dia. pile.

Item No.-1.40: Carrying out routine cyclic lateral load test on vertical piles as per IS:2911 with loading equal to one and half times the proposed safe bearing loads including all activities as mentioned in 1.36. For this test, two working piles shall be used and jacked apart. Both piles shall be considered as test piles. The lateral deflection of both the piles shall be recorded. However, testing both these piles shall be considered as one test, for 500 mm dia. piles.

Item No.-1.41: All activities and scope same as 1.40 but for 600 mm dia. pile.

Item No.-1.42: All activities and scope same as 1.40 but for 750 mm dia. pile.

Item No.-1.43: All activities and scope same as 1.40 but for 1000 mm dia. pile.

Item No.-1.44: Carrying out routine pull out load test on vertical working piles as per IS:2911 (Type of loading shall be as per cyclic loading method) with loading equal to one and half times the proposed safe bearing loads including all activities as mentioned in 1.36 for 500 MM DIA. PILE.

Item No.-1.45: All activities and scope same as 1.44 but for 600 mm dia. pile.

Item No.-1.46: All activities and scope same as 1.44 but for 750 mm dia. pile.

Item No.-1.47: All activities and scope same as 1.44 but for 1000 mm dia. pile.

Item No.-1.48: Making preparation and carrying out Pile integrity test (NDT) using High sensitive accelerometer or equivalent through specialist approved agency, in consultation with Owner / Consultant and submitting the report including site mobilization, dewatering, chipping, building up of piles, clearing & preparing top surface of pile, etc., as required for testing and submitting the report to Owner / Consultant for approval for all lengths for 500 mm dia. Pile

Item No.-1.49: All activities and scope same as 1.48 but for 600 mm dia. pile.

Item No.-1.50: All activities and scope same as 1.48 but for 750 mm dia. pile..

Item No.-1.51: All activities and scope same as 1.48 but for 1000 mm dia. pile.

Item No.-1.52: Excavation in ordinary soil including clay black cotton soil, soft & hard murrum, sand, gravel, soil containing small pebbles, rubble, boulders, removable without breaking/blasting, etc. which can be loosened manualy or mechanically operating tackles such as pick shovels, front loader (as defined in IS:1200) etc. for all types of foundations/footings, plinth beams, pilecaps or any other substructure, including shoring, strutting, dewatering and disposal of surplus earth up to a distance of 1000 metre from the nearest edge of excavation area. The rate shall include all tools, tackles, supervision, transport and incidental expense, overhead & profit, etc. as per section 1 of Tech. Specification, up to and including a depth of 2M below existing level.

Item No.-1.53: All activities & scope same as in item 1.52 but for excavation below 2M and upto 4 M below existing ground level.

Item No.-1.54: All specifications scope & activities same as for item no 1.52 but for excavation in SOFT-ROCK as defined in IS:1200 for soil classification and up to a depth of 2M below existing ground level.

Item No.-1.55: All activities & scope same as in item 1.54 but for excavation below 2M and upto 4 M below existing ground level.

Item No.-1.56: Excavation in hard rock or boulders by chiselling or any other suitable method(s), but not blasting, stacking the material in regular measurable stacks as directed by the supervising engineer or client. Generally measurements will be done based on the original rock levels and final rock levels. In case of blasting in boulders only, the stack measurements less 40 % voids shall be taken as payable quantity.

Item No.-1.57: All activities & scope same as in item 1.56 but for excavation below 2M and upto 4 M below existing ground level.

Item No.-1.58: Any chipping & crushing of pile required due to design change, including all tools, tackles, compressed air, labour, consumables and disposal of debris as directed within a lead of 1000 M from site.

Item No.-1.59: Drilling / boring minimum 100mm dia. exploratory bore hole upto 10m depth including all tools, tackles, lobour, consumables all complete, in case rock / boulder is encountered during piling activity.

Item No.-1.60: Providing, mixing, placing in position, Plain Cement Concrete of Grade M-15 as per IS:456 under foundations, floors, plinth beams etc. including compaction by vibration, curing, using 20 mm down aggregate all per sec 2 of tech-spec. but excluding formwork.

Item No.-1.61: Supplying and placing in position Concrete of grade M-30 using 20 mm down coarse aggregate as per IS:456 in Reinforced Cement Concrete foundations, tie beams, plinth beams, columns, portals, slabs, walls, curved walls, retaining walls, dyke wall, ramp, grade slab, pedestals etc, including transportation, compaction, vibration, curing and finishing all as per Section 2 but excluding formwork and reinforcement.

Item No.-1.62: Providing and fixing wrought timber formwork / smooth formwork of steel plates or marine plywood for concrete elements in foundations, rafts, beams, columns, portals, slabs, walls, pedestals, liquid retaining structures, pits etc at various levels below plinth and at required slopes as per drawing including making, materials, fixing, supporting, maintaining during and after concreting stripping at appropriate time, all as per Technical Specification Section 2.

Item No.-1.63: Dismantling of existing structures or part at all levels including all tools, tackles, compressed air, labour, crane, consumables and disposal of debris/unserviseable items as directed outside NALCO premises. Suitable area for disposal with appropriate statutory compliance shall be located by the contractor. Serviceable materials to be stacked and handed over to NALCO.

Item No.-1.64: Brick work of walls

Item No.-1.65: Reinforced concrete Columns, Beams, Slabs, Walls, pavings

Item No.-1.66: Asphalt roads upto bottom of soling

Item No.-1.67: CGI / A.C. Sheetings including ridges, hips, valleys and gutters

Item No.-1.68: Flooring like Tiles in toilet including dado, acid lining

Item No.-1.69: Structural Steel work (to be handed over to NALCO)

Item No.-1.70: Misc. sanitary items like over head water tank, WC, urinals, wash basin, taps, towel holder, soap dispenser, tissue holder, jet all complete.

Item No.-1.71: Misc. items like doors, windows less than 3 sqm of area

Bidder Name

Amount in Words

Keller Ground Engineering India Pvt Ltd

BRIDGE AND ROOF COMPANY INDIA LIMITED

ABC Trans Carriers Pvt Ltd

BRIDGE AND ROOF COMPANY INDIA LIMITED

ABC Trans Carriers Pvt Ltd