Kamarajar Port Limited Tender

Guide wall for Diaphragm Wall Providing and laying cement concrete of grade M30 for guide walls for the construction of diaphragm wall including excavation necessary shuttering/formwork, mixing, transporting, placing, vibrating, curing of concrete, all sampling, testing and maintaining records including all labour, materials, tools, equipment ,fuel etc., complete

Boring Boring for the 1200mm diameter piles to the required depth through all types of soil strata including cemented sand, boulder layers and hard rock if any up to the founding level and stacking the bored soil at convenient place and transported to the low lying area any where inside the harbour area within a lead of 4 Km as directed by the Engineer’s representative and pile shaft cleaning and keeping of all records etc., including bentonite slurry, labour, tools, equipment, fuel etc., all as per drawing, specification etc., complete Note: 1. If the boring tool encounters rock at an elevation higher than the termination level of the pile indicated in the drawing, then the boring shall be continued one metre into the rock from where the boring tool encounters rock first 2. 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 boring and payment for such additional work shall also be made under this item. 3. The sample of bored materials at 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 authorised laboratory / agency indentified by the Engineer and the decision of such authorised laboratory / agency is final and binding on both the parties. However the cost of such testing shall be borne by the contractor.

Routine Dynamic Pile Tests Supply necessary equipment and perform routine dynamic load test on the marine piles according to the specifications and as directed by the Engineer’s representative all as per relevant IS codes, etc., complete. Note: 1. The tenderer shall furnish details of the load testing method he proposes to adopt. 2. The pile shall be extended by at least 2m beyond the cut-off level prior to conducting the test and shall be chipped and removed after the test is completed. 3.Test shall be done initially at the ground level and soil upto 0.0 CD shall be removed. The test results shall be re-calibrated to the actual pile depth from -16m to penetration or as the case may be as per cross section.

Diaphragm Wall

Boring through all type of soil strata including cemented sand strata except rubble layer and hard rock.

Pre cast concrete for Pile muffs Supply, deliver, transport to site and place of M40 grade concrete in precast pile muffs, including all sampling, necessary shuttering/formwork, mixing, transporting, handling, placing, vibrating, curing of concrete, testing and maintaining records including all labour, materials, tools, equipment, fuel etc., complete. Note: Supply and fabrication of steel reinforcement shall be measured and paid under relevant item.

Reinforcement for Pile Muffs Supplying, fabricating and placing of CRS Fe 500 grade steel reinforcement of all diameter for pile muff including cutting, bending, welding, binding, with binding wire, positioning of reinforcement for pile muff all as per drawing, technical specifications and including all labour, materials, tools transport, cage lowering, equipment, fuel etc., complete.

Insitu concrete for Pile muffs Supply, deliver, transport to site and place of M40 grade concrete for in-situ pile muffs including all sampling, necessary shuttering/formwork, mixing, transporting, placing, vibrating, curing of concrete, testing and maintaining records including all labour, materials, tools, equipment ,fuel etc., complete. Note: Supply, fabrication of steel reinforcement shall be measured and paid under relevant item.

Dressing of Diaphragm wall Chipping of diaphragm wall heads up to cut-off level and /or as directed and stacking the debris at convenient place and transported to the low lying area anywhere inside the harbour with in a lead of 4Km or as directed by the Engineer’s representative and all associated cleaning of projecting reinforcements including all labour, materials, tools, equipment, fuel etc., complete.

Pile Test Initial Vertical Pile load test Supply necessary Kent ledge and perform vertical initial load test on the marine pile of 1200mm diameter according to the specifications and as directed by the Engineer’s representative all as per relevant IS 2911 code, etc., complete. Note: 1. The tenderer shall furnish details of the load testing method he proposes to adopt. 2. The test load shall be furnished before conducting the test for 1200mm diameter pile. 3. Test shall be done initially at the ground level and soil upto 0.0 CD shall be removed. The test results shall be re-calibrated to the actual pile depth from -16m to penetration or as the case may be as per cross section.

In Situ Concrete for Piles Construction of cast-in-situ Concrete Piles Supply, deliver, transport to site and place by tremie or approved methods including compacting, curing etc. of M40 grade concrete in cast in situ piles, for the whole length of the pile, from the founding level up to cut-off level, including casting the pile at least 600 mm above the specified cut-off level and cutting the M.S liner at specified level and clearing reinforcement of pile for lapping in deck slab as per drawing and specifications including the bentonite slurry including all sampling testing and records and all labour, materials, tools, equipment, fuel, etc., complete.

Reinforcement for Diaphragm wall Supplying, fabricating and placing of CRS Fe 500 grade steel for diaphragm wall, guide wall etc., including 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

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

Construction of diaphragm wall Excavation of 1200 mm wide trench in all types soil strata of including cemented sand, boulder layers and hard rock if any up to the founding level as shown in approved construction drawings and stacking the bored soil at convenient place and transported to the low lying area anywhere inside the harbour area within a lead of 4 Km as directed by the Engineer’s representative for construction of diaphragm wall including chiselling of concrete at stop ends and injecting as per details in specification and drawings including bentonite slurry, circulation, all labour, equipment and machinery for excavation, dewatering, bentonite slurry flush pump and water pump, higher charge current consumption, charges for the reinforcement welding, placing and lowering of the reinforcement etc., as required all complete as specified / directed by the Engineer / Engineer's representative and as per IS 9559-1980. Note: 1. The payment will be made for one vertical face area only. 2. The rate includes all works associated with under water inspection, photography, video to identify the defects if any on the sea side of the diaphragm wall and submit the report to the Engineer. Further, the defects if any shall be rectified immediately including under water work as directed by the Engineer / Engineer's representative. 3. Contractor shall provide electronic equipment to monitor the deflection of the diaphragm wall for three months after the dredging is completed and provide weekly report.

Boring through Rubble layer

Reinforcement for Piles Supplying, fabricating and placing of CRS Fe 500 grade steel for piles reinforcement cage in piles including cutting, bending, welding, binding, with binding wire, positioning of pile reinforcements from founding level up to protection of reinforcement bars above pile cut off level in to deck beams with adequate lapping lengths all as per drawing, technical specifications and including all labour, materials, tools transport, cage lowering, equipment, fuel etc., complete. Note: Provision of authorised lapping, hooking arrangements etc., as per the approved bar bending schedule shall also be measured and paid under this item.

Concreting for Diaphragm wall Providing and laying M40 grade cast-in situ reinforced cement concrete work in 1200 mm thick diaphragm wall at all depths from ground level to founding level as shown in approved construction drawings by tremie pipe using graded stone aggregate of 20 mm nominal size and 428 Kg/Cum minimum cement content and having slump compacting as per specification and direction of Engineer in-charge and including tremie up to cut off / trimmed level inclusive of all labour equipment materials except reinforcement complete in all respects as per IS 9559-1980 specification, drawing and direction of Engineer or Engineer's representative. Note : Concreting of diaphragm walls shall include additional height of 600 mm above the diaphragm wall cutoff level.

Boring through Rock strata