Chennai Port Trust Tender

4) Boring, drilling, chiseling, bailing out in all types of soils, viz gravel, clay, stiff clay, cemented clay, sand, weathered soft rock, leanmix concrete and boulders / rubble layer etc. for vertical piles of 1200mm dia, from the existing sea bed level upto the founding level or hard rock level as per specifications and drawings including cost for conducting SPT, bentonite stabilisation, pile shaft cleaning and hire charges of all equipment, materials, machinery, labour, consumables, etc., complete. (only length below existing sea bed level will be measured and paid for) Note: 1.The pile termination level shall be established based on SPT conducted at the founding level mentioned in the Drawing and minimum ' N ' (SPT) value required to terminate the pile is 50. If it fails, the Nodal Officer may direct the contractor to carryout additional length of boring until minimum SPT - 'N' value of 50 is reached and payment for such additional work shall also be made under this item. 2. The boring depths shall be jointly measured actually at site and Nodal officer or his repersentative's decision is final.

5) Drilling, Chiselling, bailing out for verticle piles of 1200mm dia in hard rock for a length of 1.20 metre or upto the founding level as shown in the drawings and / or as directed based on site requirement and specifications including hire charges of all equipment, machinery, labour, consumables, etc. complete. Note: 1. If the boring tool encounters hard rock at an elevation higher than the termination level of the pile indicated in the drawing, then the boring shall be continued 1.20 metre into the hard rock from where the boring tool encounters hard rock first. 2. The sample of bored materials at regular interval shall be collected and produced for the verification 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 identified by the Nodal officer 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.

6) Trimming/Dressing / Chipping of pile heads of 1200mm dia including cutting of steel liners and trimming of extra concreted pile above the designed cutoff level and exposing the reinforcement to receive fresh concrete, including transporting, dumping and levelling the debris in the low lying area (dumping site) within a lead of 3 km all as directed including all labour, tools, equipment, fuel, hire charges of all equipment, machinery, consumables, etc., complete.

7) Routine Dynamic Pile Tests - Supplying necessary equipment and perform routine dynamic load test on the marine piles of 1200mm dia according to the specifications and as directed all as per relevant IS codes, etc., complete. Note: 1. The contractor shall furnish details of the load testing method proposes to adopt. 2. The pile shall be extended by atleast 2m beyond the cut-off level prior to conducting the test and shall be chipped and removed after the test is completed without any extra cost.

8) Supplying necessary equipment and perform Pile integrity test on newly cast marine piles of 1200mm dia according to the specifications and as directed all as per relevant IS codes, etc., complete. Note: The contractor shall furnish details of the testing method proposes to adopt.

9) Providing and placing cement concrete of mix M40 grade for RCC vertical piles 1200 mm dia laid in-situ by standard method of placing using tremie pipe including cost of materials, admixtures, hire charges of all equipment, machinery, labour required, all sampling and testing / recording, bentonite slurry, fuel, consumables etc. excluding cost of reinforcement complete as directed. [Only concrete quantity between founding level and specified Pile cut-off level will be measured and paid for. The concrete cast 0.6m (min) above specified pile cut off level including overflow concrete will not be payable] Note: Supply, fabrication and placing in position of steel reinforcements shall be measured and paid under relevant item.

10) Providing and placing cement concrete of mix M40 grade for RCC pile muffs laid in-situ including shuttering / formwork including sufficient temporary support, mixing, transporting, placing, vibrating, sampling, curing, testing including all materials, labour, tools, equipment, fuel etc., complete. Note: The supply and fabrication of steel reinforcements shall be measured and paid under relevant item.

11 a) Precast Reinforced Cement Concrete beams in M40 grade concrete of various sizes as shown in the drawing and or any other size as directed to suit the site condition including shuttering, mixing, transporting, placing, vibrating, curing, all materials, labour, tools, equipment, fuel, sampling, testing and records etc., complete. Note: 1.Supply, fabrication and placing in position of steel reinforcements shall be measured and paid under relevant item. 2. Placing the precast units shall be measured and paid under relevant item. 3. The 25% of payment for concrete and reinforcement of precast item will be paid only after placing of precast elements.

11 b) Precast Reinforced Cement Concrete slabs in M40 grade concrete of various sizes as shown in the drawing and or any other size as directed to suit the site condition including shuttering, mixing, transporting, placing, vibrating, curing, all materials, labour, tools, equipment, fuel, sampling, testing and records etc., complete. Note: 1.Supply, fabrication and placing in position of steel reinforcements shall be measured and paid under relevant item. 2. Placing the precast units shall be measured and paid under relevant item. 3. The 25% of payment for concrete and reinforcement of precast item will be paid only after placing of precast elements.

12 a) Handling, transporting, lifting and placing of pre-cast beams, etc., of varying sizes in position as specified in drawings and as directed including loading, transporting, unloading, all labour, tools, tackles, plant and equipments, machineries, fuel, etc., complete. Note: 1. The contractor shall engage cranes of suitable boom length and capacity for handling and placing the precast elements. 2. The contractor shall engage skilled workmen for the work.

12 b) Handling, transporting, lifting and placing of pre-cast slabs, etc., of varying sizes in position as specified in drawings and as directed including loading, transporting, unloading, all labour, tools, tackles, plant and equipments, machineries, fuel, etc., complete. Note: 1. The contractor shall engage cranes of suitable boom length and capacity for handling and placing the precast elements. 2. The contractor shall engage skilled workmen for the work.

13) Providing and laying in-situ concrete of M40 Grade for RCC Beams etc., all as per drawing and as directed including provision of shuttering, mixing, transporting, placing, vibrating, curing the concrete including all materials, labour, tools, equipment, fuel and all sampling, testing and records etc., complete. Note: Supply, fabrication and placing in position of steel reinforcements shall be measured and paid under relevant item.

14) Providing and laying in-situ concrete of M40 Grade for RCC Deck slab all as per drawing and or as directed including provision of shuttering, mixing, transporting, placing, vibrating, curing the concrete including all materials, labour, tools, equipment, fuel and all sampling, testing and records etc., complete. Note: Supply, fabrication and placing in position of steel reinforcements shall be measured and paid under relevant item.

15) Providing and laying Plain Cement concrete of M40 grade over the Deck slab as Wearing coat of finished average thickness 75mm all as directed and as shown in the drawing including shuttering, mixing, transporting, placing, finishing, curing and all material, labour, equipments, tools, plants, fuel, etc. complete.

16 a) Supplying, fabricating and placing in position HYSD, Fe 500D grade TMT steel bars as reinforcements for pile cages including handling, cutting, bending, lapping, welding, and tying with 1.25mm dia black annealed steel binding wire including placing / lowering all as per relevant specification and as directed including all materials, labour, tools, equipment, fuel, all sampling, testing and records etc., complete. NOTE: Provision of authorised lapping, lifting hook arrangements, development length, dowels for super structure etc., as per the approved bar bending schedule shall also be measured and paid under this item.

16 b) Supplying, fabricating and placing in position HYSD, Fe 500D grade TMT steel bars as reinforcements for pile muff including handling, cutting, bending, lapping, welding, and tying with 1.25mm dia black annealed steel binding wire including placing / lowering all as per relevant specification and as directed including all materials, labour, tools, equipment, fuel, all sampling, testing and records etc., complete. NOTE: Provision of authorised lapping, lifting hook arrangements, development length, dowels for super structure etc., as per the approved bar bending schedule shall also be measured and paid under this item.

16 c) Supplying, fabricating and placing in position HYSD, Fe 500D grade TMT steel bars as reinforcements for precast / insitu portions of beams and slabs, etc., including handling, cutting, bending, lapping, welding, and tying with 1.25mm dia black annealed steel binding wire including placing / lowering all as per relevant specification and as directed including all materials, labour, tools, equipment, fuel, all sampling, testing and records etc., complete. NOTE: Provision of authorised lapping, lifting hook arrangements, development length, dowels for super structure etc., as per the approved bar bending schedule shall also be measured and paid under this item.

17) Chipping, cutting, opening and removal of existing Reinforced Cement Concrete mooring dolphin slab/beam of required size and 1.65m thick (approx.) to facilitate erecting of 1200mm dia Reinforced Cement Concrete piles and to lay pile muff concrete all as per drawing, relevant codes and as directed at site including all materials, labour, tools, equipment, fuel and all sampling, testing , etc., complete.

18) Dismantling and removing the existing pipe bollard including removing the nuts, bolts, washers etc., and handing over the materials to the departmental stores or RSO yard including labour, tools, fuel, transportation, hire and operational charges of necessary equipments all as directed etc., complete.

19) Loading, transporting and dumping the dismantled debris in the hollows of low lying area within a lead of 3 km all as directed including levelling at dumping site, including all labour, tools, transport, equipment, fuel etc., complete. Note: 1. The tenderer shall maintain trip sheets in triplicate in ChPA’s approved format at his own cost for the quantity of debris transported. 2. Interim Payment will be based on the lorry cubical content. No deduction of voids will be made for debris. 3. However, the final quantity will be restricted to actual quantity of dismantling / demolishing items.

20) Providing 50mm wide expansion joint including supplying and fixing in position Mild Steel angle 50x50x6mm welded with Mild steel flat 25x6x250mm long at 600mm c/c including providing Polysulphide rubber joint sealing compound and bituminous filler board all as per relevant specification and drawing etc., complete. Note: If specified structural steel sizes are not available, the nearest size may be used with the approval of Nodal Officer.

21) Manufacturing, testing, supplying and fixing of “M” type 600 H fenders 2.5m long ME grade rubber with 50% deflection to resist the reaction force 68.0T per metre and energy absorption of 17.1 Ton-m per metre conforming to standard specifications and drawing with all fixtures such as M64 anchor bolts, nuts and washers of stainless steel SUS 316 grade- 8 Nos including fixing the anchor bolts rigidly in correct alignment and position or core cutting / making holes in the precast / insitu beam by any suitable approved method and providing polyester resin for fixing the anchor blots all as per drawing, manufacturer's specifications, handling, transportation, third party inspection, labour, staging, tools, equipment , plants, machineries, fuel, etc. complete.

22) Manufacturing, testing, supplying of Cast Iron T- Head bollard of 20T pull capacity conforming to standard specifications as per IS - 210 and drawing with all fixtures such as Hot Dip galvanized M24 anchor bolts, nuts and washers, transporting to the site, handling, including fixing the bollards in position on the proposed jetty structure including fixing the anchor bolts with template arrangements in the proper alignment as shown in the drawing and filling hollows of the bollards with M40 Concrete including painting the exposed surface with two coats of anticorrosive epoxy paint over a coat of epoxy primer including all materials, labour, fuel, equipments, lifting, welding, transporting and fixing etc. complete.