Repair of sill beam concrete, silt excluder tunnels, gate grooves and Granite joints at EL 241.50 of Gate No. 1 at Tanakpur Barrage

Amount

Placing of empty cement bags filled with silt/sand including transportation of sand loading - unloading of sand upto work site, filling sewing etc. In required positions at site of toe protection within a lead of 60 m including cost of empty cement bags & including cost of sand.

Laying of LDPE film (250 micron) conforming to IS 2508 revised 1984 or its latest amendments, with the help of bamboos on the side slopes of ring bund in submerged area including of all materials.

Removal of Unserviceable Soil with Disposal upto 1000 metres (Removal of unserviceable soil including excavation, loading and disposal upto 1000 metres lead but excluding replacement by suitable soil which shall be paid separately as per clause 305.)

Dismantling of Structures (Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres)By Mechanical MeansPrestressed / Reinforced cement concrete grade M-20 & above

Providing mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specification and direction of Engineer-in-Charge complete in all respect .Epoxy bonding adhesive having coverage of 2.20 sqm/Kg made i.e Sikadur-32 LP Epoxy resins bonding agent.

Providing concrete for plain/ reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203P.C.C. grade M 20

Providing and laying high performance concrete of given design mix of M65A20 grade including cost of cement admixture & silica fumes in recommended propration to accelerate/retard setting of concrete but excluding cost of centring and shuttering & reinforcement as per direction of Engineer-in-Charge.

Supplying, Preparing and applying cementatious mortar for the repair of cavities in between the joints of granite stones on glacis portion and along the gate sill as per specification and direction of Engineer- in -charge.

Supplying, Preparing and applying Epoxy mortar for the repair of cavities in between the joints of granite stones on glacis portion and along the gate sill as per specification and direction of Engineer- in -charge.