Infrastructure Development of Community Development Centre of Uttar Purvanchal Lok Kalyan Samiti at Borbanghsar, North Guwahati, Kamrup, Phase-II

Excavating, supplying and filling of local earth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc. complete.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing, driving with hydraulic piling rigs with power units and installing driven cast-in-situ reinforced cement concrete piles of grade M-25 of specified diameter and length below the pile cap, to carry safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of shoe and the length of pile to be embedded in the pile cap etc. all complete. (Length of pile for payment shall be measured from top of shoe to the bottom of pile cap) : 450 mm dia piles

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 submit the design of loading platform for the approval of Engineer-in-charge. Single pile upto 50 tonne Safe capacity Initial test (Test Load 2.5 times the Safe capacity)

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 submit the design of loading platform for the approval of Engineer-in-charge. Single pile upto 50 tonne Safe capacity Routine test (Test Load 1.5 times the Safe capacity)

Preparation of site for placement of the drilling rig including excavation of mud pit, circulation drain, collection chamber etc. all complete as directed.

Drilling with drill bit in overburden portion of soil formation including collection of soil sample at every 3.0 m depth wherever there is a change of strata in sample boxes with distinguishing marks upto the depth of rock formation and withdrawing the drill bit for lowering casing as directed with 245mm to 300 mmm dia drill bit.

Casing / sinking / lowering of 200 mm dia MS pipe including cost of pipe and labour charge for casing, welding of joint by welding machine and sinking by drilling rig in portion all complete as directed by department.

Drilling with drilling rig using D.T.H. in all kinds of rock formation including collection of sample at every 3.0 m depth of boring or wherever there is a change of strata in sample boxes with distinguishing marks upto a required depth of boring along with breaking rock fracture for desired discharge, withdrawing drilling rod and finishing the borehole by ramming upto a reqired dia upto the bottom and washing the well as per direction of the department all complete including testing of yield and drawdown of SWL of the DTW in presence of Engineer / incharge with submission of all report and lithology of the well as directed by the department.

Supplying, assembling, lowering and fixing in vertical position in bore well unplasticized PVC medium well screen (RMS) pipes with ribs, conforming to IS: 12818, including hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer-in-charge. 100 mm nominal size dia