Name of Work: “Repair and maintenance of Intake well Guard wall and stone pitching behind the wall upto to the GL at BCW under EWZ Area” vide NIT No. :- BCCL/EWZ/ACE/BCW/23-24/15 dated 05/07/2023
Sl. No.
Item Description
1
BCCL SOR\"21: 15.9.2: Demolishing stone rubble masonry manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge : In cement mortar
2
BCCL SOR\"21: 7.1.1: Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand)
3
BCCL SOR\"21: 2.7.1: Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.Ordinary rock
4
BCCL SOR\"21: 16.11: Dry stone pitching 22.5 cm thick including supply of stones and preparing surface complete.
BCCL SOR\"21: 5.1.2: Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, ifnishing and reinforcement- All work up to plinth level :1:1.5:3 (1 cement: 1.5 coarse sand (zone-III) derived fromnatural sources: 3 graded stone aggregate 20 mm nominalsize derived from natural sources).
7
BCCL SOR\"21: 5.22.6: 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.
8
BCCL SOR\"21: 5.9.1: Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, etc. for mass concrete
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