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| 1 | Boring, providing and installation bored cast-in-situ reinforced cementconcrete piles of garde M-40 (Minimum cement content -as per design mix ) of specified diameter and length below pilecap, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. by Crawler mounted, telescopic boom hydraulic pilling Rig allcomplete, including removal of excavated earth with all its lifts and leads (length of pile for payment shall be measured up to cutoff level as per drawing).- concrete also under the scope of contractor, the rate in RM should include concrete cost.Note:.(i) Piles are to be founded with a socketting length into the appropriate strata as per drawing.(ii) Pile chipping and liner cutting as per drawing/ specification included in item |
| 2 | 600 mm dia piles |
| 3 | 750 mm dia piles |
| 4 | 800 mm dia pile |
| 5 | 900 mm dia pile |
| 6 | Vertical load testing of piles in accordance with IS 2911 (Part IV) including installation of loading platform by Kentledge / Anchor piles method and preparation of pile head or construction of test cap and dismantling of test cap after test etc. complete as per specification & the direction of Engineer in-charge. Note: 1. Testing agency shall submitt the design of loading platform for the approval of Engineer-in-charge.Single pile above50tonne and upto 150 tonne Safe capacity |
| 7 | Initial test (Test Load 2.5 times the Safecapacity) |
| 8 | Routine test (Test Load 1.5 times the Safecapacity) |
| 9 | Vertical load testing of piles in accordance with IS 2911 (Part IV) including installation of loading platform by Kentledge / Anchor piles method and preparation of pile head or construction of test cap and dismantling of test cap after test etc. complete as per specification & the direction of Engineer in-charge. Note: 1. Initial and Routine Load Test shall not be carried out by Dynamic method of testing.Note: 2. Testing agency shall submitt the design of loading platform for the approval of Engineer-in-charge. Single pile above 150 tonne and upto 200 tonne Safe capacity |
| 10 | Initial test (Test Load 2.5 times the Safe capacity) |
| 11 | Routine test (Test Load 1.5 times the Safe capacity) |
| 12 | Conducting routine vertical load test for 1.5 times safe load carrying capacity by means of High Strain Dynamic Load Test including provision and erection of crane- hammer-drop mechanism, acceleration and displacement velocity transducers to record both force and velocity including excavation, dewatering, preparation of pile head including building up of pile, additional reinforcement if any etc. all complete as per approved method (ASTM D4945-89), submission of test report,specifications and instructions of the Engineer for piles of following diameter : |
| 13 | 600 mm dia |
| 14 | 750 Dia and Above |
| 15 | Lateral load testing of single pile in accordance with IS Code of practice IS : 2911 (Part IV) fordetermining safe allowable lateral load on pile : |
| 16 | Upto 50 tonne capacity pile |
| 17 | Above 50 tonne and upto 100 tonne capacity pile |
| 18 | M&LforReinforcementusingTMTCRSbarsofGradeFe–500Dofall dia, cut to length, bent to shaperequiredincludingcranking,bending,spirallyforhoopingforcolumns,hookingendsandbindingwithmildsteel wire (annealed) not less than 0.9mm dia or securingwithclipsorweldedcompleteallasspecifiedandasdirected. |
| 19 | Integrity testing of Pile using Low Strain/ Sonic Integrity Test/ Sonic Echo Test method in accordance with IS 14893 including surface preparation of pile top by removing soil, mud, dust & chipping lean concrete lumps etc. and use of computerised equipment and high skill trained personal for conducting the test & submission of results, all complete as per direction of Engineer-in- charge. |
| 20 | MS pipe liner fabricated out of 6mm thick plain MS plate confirming to Fe-410 S by welding, welding the joints, lengthening wherever required, providing stiffners, lifting hooks including all T&P as required, painting with bitumen paint, shifting the same from position to positions required, driving in truevertical alignment in position to the required level for piles complete, all as directed by Engineer-In-Charge.Note: MS Pipe lineshall be casted as mentioned in drawings. However for payment purpose, the depth of height of liner shall be measured upto cutoff level only irrespective of the depth provided for retaining concrete/ bentonite slurry . The unit rate/lumpsum price quoted shall demmed to include for the same. |
| 21 | Earth work in excavation by mechanical means (Hydraulic excavator) over areas (exceeding 30cm in depth, 1.5m in width as well as 10Sqm on plan) not exceeding 1.50 m in depth and including getting out and disposal of excavated earth lead upto 250m and lift upto 1.5m, as in all kind of soil, complete all as directed by Engineer-in-Charge. |
