Open tender for (i) improvement of infrastructural facilities including drainage at Diesel Shed Andal (ii)Repairs and strengthening of old dilapidated OH tank at Raniganj Post Office Colony and South Colony and other ancillary works. (iii)Repairs and strengthening of old dilapidated OH tank at BOX-N-Andal and other ancillary works at BOX-N and Diesel Shed-Andal for water supply under the jurisdiction of Sr.DEN/3/Asansol.

A-Overall percentage Above/ Below/At Par on assessed cost of Schedule-

B -Overall percentage Above/ Below/At Par on assessed cost of

BI-Overall percentage Above/ Below/At Par on assessed cost of

Item Breakup - A-Overall percentage Above/ Below/At Par on assessed cost of Schedule-A (NS Items)

Carrying out resistivity survey conduction, Sqm geographical survey for cach VES, scanning a depth of 150 mts. BGL to delicated sub - surfclithology adopting electrical method of geophysical survey for cach driling point. Minimum 10 nos. of vertical electrical sounding including conducting hydrolgical investigation, adopting suitable area so that the recommendation of the best on the basis of 10points of drilling for ground water and submitting report from the recognized Govt. approved institution or firm to the Railway authority.

Supplying, erecting, fabricating, hoisting, Litre fitting, fixing in position of GPR/SMC paneled water storage tank above 11m height staging to be provided by Railway having total capacity 50 kL (approx.) as per IS: 14399. The rate includes all fasteners, UPVC inside support, PVC/Stainless steel inside ladder, HDG outside bracing, FRP manhole cover, Aluminium/FRP external ladder, PVC ventilator complete in all respect. The tank should have factory fitted provision for inlet, outlet, overflow wash pipe and provision for one additional delivey pipe line in future of dia as specified by engineer at site. The work complete in all respect with contractor's tools, plants, labour, materials, scaffolding and removing the same after completion of work. The final payment shall be released only after tank is tested as leak proof.

Supplying, fabricating & erection of Each pressure clarifier of 3.0 m Dia x 3.0 m height of approx weight 7.1 MT to handle 5000 GPH including transporting, lifting & fixing etc complete.

Horizontal pressure Sand Filter with Flow Each rate 5000GPH and service cycle 23 hours conforming to IS 2825. The unit is complete with Horizontally/vertically welded mild steel conforming to IS 2062) pressure Vessel duly sand blasted and protected with suitable Asphalt in black paint two coats (50-60 DFT) inside surface and outside surface Chlorinated rubber paints two coats (50-60 DFT). Internal distribution, outlet collection system, Frontal face pipe work assembly, flange Butterfly valves, under bed material. One set of Pressure gauges and onecharge of Filter Media including supporting arrangements as required. The rate also includes the free maintenance of plant including electrical installation for minimum one year from the date of commissioning of the plant Total 3338504.99

Item Breakup - B -Overall percentage Above/ Below/At Par on assessed cost of Schedule-B (DSR -2023)

Item Breakup - BI-Overall percentage Above/ Below/At Par on assessed cost of Schedule-BI (USSOR-2021)

Supply and laying of quarry dust including cum consolidation, supply of all materials, labour, lead, lift, tools, plants, crossing of tracks as per drawing and technical specification as directed by the Engineer in charge in case loose slush is encountered at site of foundation before casting the foundation or laying the filtering media. Total 44738.05