Tender For Urgent Repair Of Hinglot Dam From Rd 1590 To 1830 M Tehsil-Chhabra,Distt.-Baran; 1 Cutting & clearance of jungle, bushes, shrubs Ankra/Ipomoea, Juliflora typna etc. on canal and bunds in dry/moist/slushy conditions including disposal as per instructions of the Engineer-in-charge. Cost of wood has been deducted from rates and thus will be property of contractor after cutting.Ordinary 2 Excavation including loading, unloading, disposal and dressing of excavated earth within initial lead of 50m and lift up to 1.5m including dressing of excavated area and dewatering wherever required complete in all respect. Hard / dense soil. Add extra over item No. 1 to 5 for excavation under water for all type of strata including dewatering charges. (Quantity under water during actual work is only to be considered) Quantity of excavation below water level in foundation area during continous pump runningshould onlybe 3 Excavation including loading unloading disposal and dressing of excavated rock within initial lead of 50m and lift upto 1.5m in dry or moist including dressing of excavated area, de-watering wherever required complete in all respect.Soft / Disintegrated rock. Add extra over item No. 1 to 5 for excavation under water for all type of strata including dewatering charges. (Quantity under water during actual work is only to be considered) Quantity of excavation below water level in foundation area during continous pump runningshould onlybe 4 Demolishing of reinforced concrete including stacking of usable material and disposal of unuseable material within 50 m lead inclusive of de-watering wherever required. 5 Dismantling cement concrete including disposal of material within 50 m lead, inclusive of de-wateringwherever required. 6 Preparation of foundation of structure including removal of all loose stones, silt and final washing.By compressed air & water under pressure 7 Prepration of old masonry surfaces before laying of further masonry or concrete over it by cleaning the surface and mortar joints with brushing and raking finally, washing by compressed air & water under pressure. 8 37 mm thickshotcrete by wet mix process, applied with compressed air gun after chipping of defective concrete / masonry,racking the joints, cleaning of surface thoroughly with wet sand blasting after fixing of 9 gauge good quality rust free welded mesh of size50 mm x 50 mm in ONE layer with anchors / clamps. After racking the joints clean the surface thoroughy by wet sand blasting apply 15 mm cement concrete (1:2:1) by pressure gun and after hardening of first layer, anchor welded wire mesh, apply 22 mm thick cement concrete complete in all respect. Cement concrete comprising of cement, sand, coarse aggregate, water and quick setting compound in the proportion 1:2:1, sand and coarse aggregate conforming to IS 383 and table no. 1 ofIS:9012 respectively. 9 Providing and Laying in position of Cement concrete Nominal mix (1:2:4) including leads of all construction materials, curing, compaction and finishing with rendering in cement sand mortar 1:3 (1 cement : 3 coarse sand) and making good the joints excludingthe cost of centering, shuttering and reinforcement. Well graded crusherbroken stone aggregate of maximum size upto; 20mm 10 Supplying of M.S. reinforcement including labour charges for bending binding and placing in position all reinforcement as per drawing including cost of binding wire and all leads and lifts using.Tor or ribbed bars (IS :1786) 11 Supply & fixing 6 mm thick PVC water seal of approved quality in construction/contraction joint as per drawing complete in all respect.305 mm wide 12 Side shuttering including propping etc. complete (to achieve finish F 2 for :Curved edges or sides of special shapes like baffle or chute blocks, end sills, Basin Block, projected copings, extended sills,curved surfaces arches, circular ducts etc. 13 Side shuttering including propping etc. complete (to achieve finish F 2 for :Retaining wall, counterfort, abutment, wing walls up stream or down- stream slope facings of dams and open faces of construction joints etc. 14 Side shuttering including propping etc. complete (to achieve finish F 2 for :Block joints of foundation stilling basins buckets, aprons etc.(non -suspended horizontallylaid mass concrete) 15 Providing and Laying in position of Cement concrete Nominal mix (1:1.5:3) including leads of all construction materials, curing, compaction and finishing with rendering in cement sand mortar 1:3 (1 cement : 3 coarse sand) and making good the joints excludingthe cost of centering, shuttering and reinforcement. Well graded crusherbroken stone aggregate of maximum size upto; 20mm 16 Extra labour charges for RCC due to obstruction in laying and placing the reinforced cement concrete due to reinforcement.Aqueduct troughs, siphon conduits, box type sluice barrels, domes spiral shafts or stair cases ( thin walled section) and ogee crests, baffle or chute blocks, end sills, buckets, projects coping, extended sill etc. 17 Re-handling of excavated material including loading unloading and dressing within initial lead of 50 m and lift of 1.5m with cost of de-wateringwherever required and all applicable taxes and levies etc. complete in all respect.Mixed strata muck 18 Drilling holes of 35 mm diameter for anchor rods.Upto 1.50 m depth 19 Drilling holes of 35 mm diameter for anchor rods.beyond 1.50 m depth 20 Labour charges for Fixing of anchor bars in neat cement grout including cost of cement and curing etc. complete 21 Supply of Tor steel anchor bars of required diameter, length and shape at site of work complete. 22 Supplying of well stitched earth filled bags of capacity, weigh not less than 40 kg per bagat site etc. complete. (b)Plastic bag 23 Labour charges for making coffer dam/ring bund (under flowing / stagnate water pool) by loading transporting earth filled cement bags dropping at required locations in water including lead up to 3 km and lift up to 8 meter from NSL complete (excluding cost of earth filled cement bags). 24 Earth work in rough (borrow area) excavation for embankments in hard soil, morrum or highly weathered strata dry or moist, including laying in20 cm layers (before compaction) and breaking of clods, sorting of grass, pebbles etc. and dressing when compacted by vibro compactor, vibro sheep foot roller, sheep foot roller/pneumatic tyred roller to obtain dry density of at least 98% of Standard Proctors density with initial lift of 1.5m (Excluding charges for compaction and watering) including loading and un-loading wherever required complete in all respect. 25 Excavation for foundation of Dam in seams/faults and at other confined places nearer to Abutment, peir, wings etc. in hard rock by line drilling / rock breaker including dewatering, disposal, loading, unloading and dressing of excavated material within initial lead of 50m. and lift upto 1.5m complete in all respect. Add extra over item No. 1 to 5 for excavation under water for all type of strata including dewatering charges. (Quantity under water during actual work is only to be considered) Quantity of excavation below water level in foundation area during continous pump runningshould onlybe 26 Add extra with the permission of Superintending Engineer, 2. Rs 175.00 per cum of concrete if computerised mobile transit mixer (i.e Fiori) is used.
