FORMATION OF PRE-TENDER TIE-UP AND POST-AWARD EXECUTION TIE-UP THROUGH MOU FOR CIVIL AND ITS ASSOCIATED WORKS IN CONNECTION WITH SAIL-IISCO, BURNPUR, WEST BENGAL

PRE_POST TIE-UP SAIL IISCO BURNPUR W.B

PILING WORK::PL-1::Setting out and providing vertical bored cast-in-situ reinforced concrete piles with concrete grade of M 30 Design Mix concrete designed with minimum cement content of 350 kg/cum having slump of 150mm to 180mm using PCE based super plasticizer and necessary quality control tests including lowering the reinforcement cage (reinforcement and pile breaking shall be paid separately under relevant item) including driving and withdrawing temporary casing with vibro hammer (if required) and stabilization by DMC method including boring/hiselling through underlying soil/ slag/ weathered rock strata with rock socketing/ penetration within weathered rock (as per relevant drawing) by Hydraulic Rig concreting at least 800 mm above cut-off level, removal of bored materials drilling mud up to a lead of 500 m within site premises and depositing in spoil dumps/areas, proper bentonite management to maintain clean piling site (for bored piles), filling up blind bore with earth/ sand /moorum etc. as directed by ISP/Dastur all as per drawing and specifications complete in all respect. Measurement and payment shall be made on the theoretical length of pile shaft excluding chipped pile head portion above cut-off level.:: i) With rotary hydraulic rig:: a) 600 mm dia pile

PILING WORK::PL-2::Boring through underlying strata for pile bore of following diameter, removal of bored materials and drilling mud up to a lead of 500 m and depositing in spoil dumps/ areas including filling up abandoned bore with earth/ sand/ moorum as directed by the ISP/DASTUR, complete as per specification. This item will be applicable if boring is abandoned due to underground obstructions and as directed by the ISP/DASTUR:: a) 600 mm dia pile

PILING WORK::PL-3::Extra over Item PL-1 to PL-2 for disposal of muck beyond initial lead of 500 m:: a) for a lead beyond 500 m but not exceeding 2 km

PILING WORK::PL-3::Extra over Item PL-1 to PL-2 for disposal of muck beyond initial lead of 500 m:: b) for a lead beyond 2 km but not exceeding 5 km

PILING WORK::PL-4::Supplying at site, loading, transporting, unloading, straightening, decoiling, cutting, bending, cranking,tack welding as necessary, placing and fixing in position steel reinforcement including angles/pins provided for the approved welded joints, at all levels above and below finished ground level for reinforced cement concrete works including supplying approved 18 SWG annealed black binding wire, cover blocks etc all as per drawings, specifications and directions of the ISP/DASTUR all materials, tools, plant and labour complete in all respect (Payment will be made on the basis of standard weight per metre length of the bar):: a) with high strength deformed bars of yield strength min. 500 N/mm2 (Ductile) of all diameters conforming to chemical composition and grades as defined in latest publication IS: 1786

PILING WORK::Pile Testing::PL-5:: Conducting routine vertical load tests (compression) by applying one and half (1.5) times the safe load (as per IS 2911-Part 4), at cut-off level on selected piles of following diameter and capacity including breaking and chipping the concrete on pile top and cutting/exposing & cleaning reinforcement, finishing and making pile heads to correct level including cleaning the reinforcement and bending into the pile cap to the shape, all other enabling works including earthwork that may be required, providing, fixing and levelling, M.S. bearing plate in position, placement of kentledge of adequate capacity and approved arrangement, fitting hydraulic jack, datum bars, pressure and dial gauges or any other equipment needed for the test and removal of the test set-up on completion of load test, all materials equipment, instruments and labour complete including submission of all field record of measurements and complete test report as specified and directed by the ISP/DASTUR.:: a) 600 mm nominal diameter piles of safe vertical load carrying capacity (as per relevant drawing)

PILING WORK::Pile Testing::PL-6:: Conducting routine pull-out tests (Tension) by applying one and half (1.5) times the safe load (as per IS 2911-Part-4), at cut-off level on selected piles of following diameter and capacity including breaking and chipping the concrete on pile top and cutting/exposing and cleaning reinforcement, finishing and making pile heads to correct level, all other enabling works including earthwork that may be required, providing, fixing approved reaction frame and pulling arrangement to the pile, fixing hydraulic jack, datum bars, pressure and dial gauges etc. and removal of the test set-up on completion of test, all materials, equipment, instruments and labour complete including submission of all field record of measurements and complete report as specified and as directed by the ISP/DASTUR.:: a) 600 mm nominal diameter piles of safe pull-out capacity (as per relevant drawing)

PILING WORK::Pile Testing::PL-7::Conducting routine lateral load tests (Horizontal Shear) by applying one and half (1.5) times the safe load (as per IS 2911- Part-4), at cut-off level on selected piles of following diameter and capacity including breaking and chipping concrete on pile top and cutting/exposing and cleaning reinforcement, finishing, making pile heads to correct level, all other enabling works including earthwork that may be required, providing, fixing approved reaction system to the pile, fixing hydraulic jack, datum bars, pressure and dial gauges etc and removal of set-up on completion of load test, all materials, equipment, instruments and labour complete including submission of all field record of measurements and complete report as specified and directed by the ISP/DASTUR.::a) 600 mm nominal diameter piles of safe lateral capacity (as per relevant drawing) under fixed head condition and test load of capacity (as per relevant drawing) under free head condition

PILING WORK::Pile Testing::PL-8:: Conducting high strain dynamic load test (as per ASTM: D4945) at cut-off level on selected piles of following diameter, all materials, equipment, instruments and labour complete including excavation, chipping and preparing pile head for conducting test, recording of set measurements, interpretation of data and furnishing results and recommendations regarding response of pile dynamic loading, deduced pile capacity, pile head movement, temporary compression etc, all materials, equipment, instruments and labour complete including submission of all field record of measurements complete as specified, all as per specification and direction of the ISP/DASTUR.::a) 600 mm nominal diameter piles of safe vertical load carrying capacity (as per relevant drawing)