Cement Concrete Lining to Sukapaika South Channel from RD 0.00 km to RD 21.00 km off-taking from RD 8.534 km of Distributary No.1

Clearing grass and removal of rubbish up to a distance of 50 meters outside the periphery of the area etc complete and as per the direction of the Engineer - in - charge.

Earth work in excavation of foundation in all kinds of soil by mechanical means with all leads, lifts and delifts including dressing and levelling the bed & including shoring, shuttering, propping bullahs, dewatering, if required and stacking the excavated earth away from the work site with all leads, lifts and delifts including labour cess etc. complete as per the direction of the Engineer-in-charge.

Earth work in excavation of foundation in all kinds of soil by manual means with all leads, lifts and delifts including dressing and levelling the bed & including shoring, shuttering, propping bullahs, dewatering, if required and stacking the excavated earth away from the work site with all leads, lifts and delifts including labour cess etc. complete as per the direction of the Engineer-in-charge.

Filling foundation and plinth with Sand in layers not exceeding 22.50 cm in thickness well watered and rammed of approved specification sincluding levelling etc complete with cost, carriage, royalty labour welfare cess and taxes of all materials etc. complete as per specification and direction of Engineer-In-Charge.

Providing and laying C.C M-15 for C.C work in afoundation using 40 mm size down graded black hard granite (crusher broken) chips and sharp sand of approved grading from approved quarry confirming to specification, mixing by concrete mixture including hoisting and laying concrete in position, compacting with vibrator with all leads, lifts, delifts for mix concrete, royalty & cess, supplying, curing for specified days by suitable means with supervision charges including mobilization and demobilization with cost of construction and dismantling of gangway and scaffolding, chute with all materials, approach road, diversion road, site illumination, hire and running charges of machineries required for the work etc. as per approved drawing and specification etc complete with all cost incidental to the work as directed by Engineer-in-Charge.

Quarrying, collecting & supplying good quality moorum and sand from approved quarry and stacking the same at work site or at approved stack yard for premeasurement in regular box heaps of 1.50m x 1.50m x 0.50m to be measured as one cum and conveying from premeasured stacks and mixing the sand and moorum in required proportion (40:60) to form the admixture and spreading the admixture over the prepared surface not exceeding 100mm in layers to required thickness including watering and compacting to required density with P.R.R including cost, conveyance, royalty and all other taxes of all materials and cost of labour, T&P required for the work including hire & running charges of machineries with all leads, lifts and delifts and labour welfare cess etc. complete in all respects and as per specification and direction of the Engineer-In-Charge.

Providing porous cement conerete block of size 0.15 X 0,15X 0:25 msize cross sectlon with poreus concrete 1:3.5 proportion with 20mm downgradeed aggregate with an initial lead and lift /delift of 20m from average NSL of dam block Including supply of all materials, shuttering charges, labour charges Including positioning in dam with curing & cess ete. complete as per the direction of the Engineer-in-Charge

Supplying and spreading Sand of approved specification satisfying filter criteria in filter drains zones and filter blankets including levelling etc complete with cost, carriage, royalty labour welfare cess and taxes of all materials etc. complete as per specification and direction of Engineer-In-Charge.

Supplying and spreading 6mm to 20mm size granite metal filter in horizontal filter zones and filter blankets including levelling etc complete with cost, carriage, royalty labour welfare cess and taxes of all materials etc. complete as per specification and direction of Engineer-In-Charge.

Supplying and spreading 20mm to 40mm size granite metal filter in horizontal filter zones and filter blankets dr including levelling etc complete with cost, carriage, royalty labour welfare cess and taxes of all materials etc. complete as per specification and direction of Engineer-In-Charge.