Repair of spillway Glacis of Bay No. S1 and S3 of Teesta-V Dam by application of HPC and Providing Steel liner.

Amount

Random Earth fill for making of approach road in the Plunge pool area including excavation of fill material from plunge pool/ ADIT-I area, transportation, dumping and dozing.

Providing and laying Non Pressure NP-4 class (Heavy duty) R.C.C. pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete. 450 mm dia. RCC pipes.

Providing and Laying first class brick masonry in one and half brick thick wall in superstructure with 1:6 cement mortar (1 cement, 6 clean coarse sand) as per the direction of Eng.-in-charge including curing etc. all complete.

Providing and Fixing of 315 mm PVC pipes (PE 80PN 2.5) for dewatering all complete as per direction of Engineer-in-Charge

Providing and Laying 15mm thick cement plaster of 1:4 cement mortar specified mix in single coat including finishing even and smooth and curing etc all complete.

Cutting and removing of damaged radial gate sill beam including stacking as per direction of EIC

Drilling of 50 mm dia. hole by diamond core cutter of Hilti make/Equivalent as per direction of Engineer -in Charge.

Fixing of 36mm dia. anchor rod in 50mm dia. hole by injecting HILTI make RE-500 grout (chemical) with application accessories for fixing of sill beam as per direction of EIC.

Shifting, placing in position and fixing the modified Sill Beam as per the direction of Engineer-in-Charge.

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 Means for items No. 202( b) & (c).

Dewatering seepage water from the sump by 50 HP electrical dewatering pumps including installation, erection of pumps and pipes etc.

Drilling of 32 mm dia. hole for 25 mm dia. steel anchors and 500 mm to 2500 mm deep into old concrete by way of jack hammers or other suitable equipments as direction of Engineer-in-charge.

Providing and injecting approved grout in proportion recommended by manufacture into cracks/honey- comb area of concrete/ masonary by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per direction of Engineer-in-charge. Epoxy injection grout in concrete/ RCC work of approved make.

Supplying, bending and placing in position tor- steel reinforcement in all R.C.C works including cost of binding wires, all complete.

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make.

Providing, fixing & removing form work for casting R.C.C items as indicated below: with locally available timber)

Providing and laying in position M35A20 concrete excluding the cost of centering, shuttering , finishing and reinforcement, as per direction of EIC, curing including cement/slurry, including the cost of materials, carriage, and labour, etc with all lift and lead complete.

Providing and laying in position M35A20 concrete (self compacting) excluding the cost of centering, shuttering, finishing and reinforcement, as per direction of EIC, curing including cement/slurry, including the cost of materials, carriage, and labour, etc with all lift and lead complete.

Providing, fabrication and installing steel liner in Spillway Glacis of Dam of Steel plate 32mm thick of E-410 (minimum) grade, Confirming to IS-2062:2011 and per drawing and specifications.

Providing and Laying High Performance Concrete of approved mix design M70 or more with OPC-53 Grade, pakur aggregate, silica fume, super plasticizer or other admixture of reputed make to improve durability and strength as per the direction of Engineer-in-Charge, proper compaction, curing including cement/ slurry, including the cost of materials, carriage, and labour, etc with all lift and lead complete.

Fixing of 36mm dia threaded anchor in 50mm dia hole by injecting chemical adhesive of approved make as per technical specifications including the cost of material carriage labour etc all completed as per direction of EIC.

Providing and placing of clay bags as per required for maintenance of Dyke cum road, Channelize of water, minimizing of seepage etc as per direction of EIC. (Each bag of 70Kg)

Laying of 315 mm PVC pipes for dewatering all complete as per direction of EIC.

SANTALALL AND BROTHERS

MUNGIPA TRADE LINKS (P) LTD