| Name of work:-Repair and maintenance of Infrastructure Assets in R-IV Division during 2019-20. Sub Head:-Repair to drainage and construction of Percolation Tank for recharge the ground strata in Rajiv Gandhi Camp. | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.\n All kinds of soil | BI01010001010000000000000515BI0100001113 | 64.92 | Cum |
| 2 | 2 | Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials.\nAll kinds of soil | 34.57 | Cum | |
| 3 | 3 | Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. | 42.09 | Cum | |
| 4 | 4 | Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality H D - 20\nCircular shape 560 mm internal diameter | 1 | Each | |
| 5 | 5 | Providing orange colour safety foot rest of minimum 6 mm thick\nplastic encapsulated as per IS : 10910, on 12 mm dia steel bar\nconforming to IS: 1786, having minimum cross section as 23 mmx25 mm and over all minimum length 263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture’s permanent identification mark to be visible even after fixing, including fixing in manholes with 30x20x15 cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) complete as per design. | 2 | Each | |
| 6 | 6 | Extra for depth for manholes :Size 120x90 cm\nWith common burnt clay F.P.S. (non modular) bricks of class designation 7.5\n | 0.3 | Meter | |
| 7 | 7 | Carriage of material by mechanical transport including loading, unloading etc. Complete lead 1 km the place of disposal shall be approved by the Engineer-in-charge. | 23 | Cum | |
| 8 | 8 | Extra for every addition lead of 1.0km or part thereof beyond 1 km upto 20.00 lead (a) Earth | 437 | Cum | |
| 9 | 9 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:5:10 (1 cement : 5 coarse sand (zone-III): 10 graded stone aggregate 40 mm nominal size). | 1 | Cum | |
| 10 | 10 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size) | 1 | Cum | |
| 11 | 11 | Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : Pipes, cables etc. exceeding 80 mm dia. but not\nexceeding 300 mm dia | 15 | Meter | |
| 12 | 12 | Supplying, filling, spreading & levelling stone aggregate 20mm nominal size in rechargepit, in reduced thickness, for all lead & lifts all complete. | 1.34 | Cum | |
| 13 | 13 | Supply and filling in plinth with Jamuna sand under floors, including watering ramming consolidating and dressing complete. | 1.34 | Cum | |
| 14 | 14 | Supply and filling in plinth with charcoal layer under floors, including watering ramming consolidating and dressing complete. | 0.67 | Cum | |
| 15 | 15 | Providing and fixing of non-woven Geotextile having thickness of 400 GSM, having minimum tear Strength of 250 ASTM D4533, width wise atleast 215 ASTM D4533 having punture strength of 1550 plus as per ASTM D6241 having elongation at Break % of 57 plus as per ASTM D 4595 in Two layers, made out of along fibers to hold the modules and protect liner including cutting, sizing , head welding and needle punched for high porosity and proper percolation. Complete as per entire satisfaction of Engineer-in-charge. | 80 | Sqm | |
| 16 | 16 | Providing & Fixing of Co-polymer based rainwater harvesting structure including supply of cross wave of size 494mm x494mm x220mm with minimum void ration of 94.7%having a weight of 1.8kg and spacers having size of 988mm x240mmx25mm having a weight of 0.8kg of approved make and arranging the same in as directed by the Engineer-in-charge and in complete accordance to the design, drawings. The rates are inclusive of all necessary transportation, loading, unloading excise, vat control etc. as per entire satisfaction of Engineer-in-charge. | 16 | Cum | |
| 17 | 17 | Constructing brick masonry manhole (silt chamber type) inside size 1.2x0.90sqm 1.20m depth with FPS bricks class desiganation 7.5 in cement mortar 1:4 (1 cement : 4 course sand) 15cm thick RCC top slab with 500mm dia opening in cement concrete 1:2:4 (1 cement : 2 coarse sand :4 graded stone agg. n/size) reinforced with 18.92kg cold twisted steel bars 20cm foundation concrete 1:4:8 (1cement:4 coarse sand :8 graded stone agg. 40mm size) inside plastring 12mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coatof neat cement and providing 75mm thick bed concrete in 1:2:4 (1cement:2 coarse sand:4 graded stone agg..20mm n/size) including neat cement punning inside the manhole complete as per standard design / depth shall be measured from invert level of manhole channel upto top of RCC slab difference of 30cm shall be kept between invert level of pipe and manhole excluding cost of manhole cover and frame which shall be paid for seperately etc. all complete as per direction of Engineer-in-charge. | 1 | Each | |
| 18 | 18 | Supplying and fixing of 300mm PVC pipe having 6 kg per centimeter square pressure i/c excavation. Refelling cutting & jointing for providing proper loop from/ to existing strom water frain complete as per entire satisfaction of Engineer-in-charge.\n\n\nConditions :-\n0.83 M.T. Cement in bags shall be arranged by the contractor himself and nothing extra shall be paid on this account. | 15 | Meter |
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