NIT for Fabrication and installation of RCC Gauge Posts, TBM and Target Post and Painting and marking Old/New Gauge post and MTBM at various sites under Sahibi Sub Division, CWC, New Delhi.

Fabrication and Installation of Gauge Posts at river banks including cost of civil works in foundation embedded in 1:2:4 reinforced cement concrete pedestal block of size 60 cm x 60 cm x 60 cm including the cost of steel reinforcement, centering, shuttering, finishing, reinforcement over the 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size) cement concrete base of size 80 cm x 80 cm x 15 cm with 12 mm thick plastering complete and marking the gauge with retro reflective paint with standard metric gradation of 5 mm thickness in black & white alternately & red retro reflective paints of 5 mm width at every 100 mm etc. complete Reinforced Cement Concrete gauge post of size 15 cm x 10 cm (one side tapered in 5 cm length) made with 1:2:4 concrete mix (1 cement: 2 coarse sand: 4 graded stone aggregate 20 mm nominal size)-1.80 m long. New Gauge Post

Painting of gauge Post 1.8 m long with retro reflective paint of approved brand & manufacture to give an even shade by two or more coats and marking the gauge with Japan paint Red, Black and White with standard metric gradation marking of 5 mm thickness in black & white alternately & Red retro reflective paints of width 5 mm at every 50 mm etc complete, Old Gauge Post

Painting /Marking of Gauge (Water Level) on bridge piers and abutments with retro reflective paint of approved brand & manufacture to give an even shade by two or more coats and marking the gauge with Japan paint Red, Black and White with standard metric gradation marking of 5 mm thickness in black & white alternately & Red retro reflective paints of width 5 mm at every 50 mm etc complete (a) Up to 5 m depth

Temporary Benchmark (TBM) madeoverall Size (Plan): 900 mm x 900 mm, Height (Section): 600 mm (300 mm below ground level + 300 mm above), 12mm thick plaster on all exposed surface, 8 mm thick MS plate with J-type anchors welded to it, supported over a 1:2:4 RCC (M15) structure resting on a 1:4:8 RCC (M7.5) base. Top Pedestal1:2:4 (M15) Properly compacted and finished consists 04 numbers of 12 mm diameter reinforcement bars.

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared

Earth work By Mechnical/Manual Mean in rough excavation, banking excavated earth in layers not exceeding 20cm in depth, breaking clods, watering, rolling each layer with ½ tonne roller or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up in embankments for roads, flood banks, marginal banks and guide banks or filling up ground depressions, lead upto 50 m and lift upto 1.5 m : All kinds of soil

Centering and shuttering including strutting, propping etc. and removal of form for 5.9.1 Foundations, footings, bases of columns, etc. for mass concrete

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) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade: New work (Two or more coats applied @ 1.43 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

G.I. pipes 80 mm dia weight 6.4kg/meter for Target Pole

Providing and fixing angle iron frames for doors, windows and ventilators of mild steel angle sections of size 35x35x5 mm, joints mitred and welded by angle iron 35x35x5 mm or 35x 5 mm flat pieces to the existing T-iron frame or to the wall with dash fastener, including fixing of necessary butt hinges and screws and applying a priming coat of approved steel primer, all complete as per the direction of Engineer-In-charge

GI sheet 0.8 mm thick confirming to IS 277:1992 (for triangular board of Target Post) wt 6.22kg/sqm

G.I. back (jam) nuts 65 mm dia for Target Post ( 4 Nos each for Target Post(8x4=32) )

G.I. tees (equal) 65 mm for Target Post

Painting on G.S. sheet with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : New work (two or more coats) including a coat of approved steel primer but excluding a coat of mordant solution

Painting (two or more coats) on rain water, soil waste and vent pipes and fittings with synthetic enamel paint of approved brand and manufacture and required colour over a priming coat of approved steel primer on new work : 100 mm diameter pipes