Construction of RCC drain (L _ 85.00 Mtr.) and strengthening of canal embankment of the Left Bank Canal of KMIP at Lembucherra under Gamaibari GP of Teliamura R.D Block during the year 2026-27. (Job No. TR/34/2059-Minor works 2026-27)

Excavation for Structures A. Without dewatering. Earthwork in excavation for structures as per drawing and MoRD technical specifications Clause 305.1 including setting out, construction of shoring & bracing, removal of stumps & other deleterious material and disposal upto a lead of 50 m, dressing of sides & bottom and backfilling in trenches with excavated suitable material. i) Ordinary Soil a) Upto 3 m depth

Filling in foundation trenches as per drawing & MoRD technical specification Clause 305.3.9, 1200. I. Sand filling

Providing concrete for plain concrete (using jhama brick aggregate) in open foundations complete including formwork as per drawings & MoRD technical specifications Clauses 802, 803, 900, 1202 and 1203. (including centering, shuttering, staging etc. but excluding reinforcement) i) P.C.C grade M 10 (using jhama brick aggregate) a) Nominal mix 1:3:6 (Hand mixing)

Plain/reinforced cement concrete in substructure complete including formwork as per drawings & MoRD technical specification Clauses 802, 804, 805, 806, 807, 900, 1202 & 1204 (including centering, shuttering, staging etc. but excluding reinforcement) i) R.C.C grade M20 1:2:4 (Nominal mix) a) Upto 5 m height

Supplying, fitting & placing Thermo-Mechanically treated bar/ Cold twisted deformed steel bar reinforcement in substructure complete as per drawings & MoRD technical specification Clauses 1002,1005,1010 and 1202.

Preparation of sub-grade & side slope for canal lining section with compaction of bed & side slope by wooden or steel rammers of minimum 10kg weight in/c making profile as per approved drawing & lining the same with first class bricks of flat with cement mortar 1:3 (1 cement : 3 river sand) with joint finished smooth an under layer of 6 mm thick cement mortar 1:5 (1 cement: 5 river sand) as per approved drawing & curing the same in/c balling out water when ever required with all lead & lift complete.

Plastering with cement mortar (1:4) 12 mm thick on brickwork / cc work including a finishing coat of neat cement punning with 2.75 kg of cement per sqm in substructure as per MoRD technical specification Clauses 613.4 & 1204.

Manufacturing of Cement Concrete Block with mix 1:4: 8( 1 Cement : 4 River sand : 8 Jhama brick agreegate of 40 mm nominal size) including centering & shuttering of size 0.45 m X 0.45 m X 0.30 m and engraving the serial number of each block as per direction of the Engineer - in- Charge.

Placing of sand cement/cement concrete blocks of size 0.45m X 0.45m X 0.30m in slope of river bnak and in river bed including preperation of bed or launching apron as per direction of the Engineer - in- Charge. i) Cement concrete block

Single bamboo palasiding/walling of whole 2nd class bamboo (Jati or Bethua) 65 to 75 mm dia and closely packed & driven @ 150 mm c/c including fitting fixing with half bamboo kamis horizontally in three rows with cane or tying with wire complete and struts 1.5 m apart longitudinally and providing bitumen drum sheet walling fixed with nails as per drawing and MoRD technical specification Clause 1302.50 A) Driven at least 900 mm below ground and 1200 mm above ground on average.