Drainage Works Tenders

Planning, Designing and construction of Civil External development works Internal water Sanitary supply & sanitary installation, Civil external Service Connection, over head tank without independent staging, external sewerage drain, Rain water harvesting, Deep Tube well, septic tank and site development works ( earth work, site leveling, footpath with pcc base, storm water drain and horticulture operations) approval of the same by the Engineer- in-Charge

Hiring of 20 HP high capacity sewerage submersible pump set with DG set 62 KVA including making connection with motors and panel commissioning with hydra complete in all respect (1 motor for 1 month hiring)

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for aying of pipes for water supply and sewerage works in the following type of soils as directed by Departmental officer Hard stiff clay, stiff black cotton, hard red earth, shales,murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil.SS20B

1.Design and build sewage treatment plant of installed capacity 2.0 MLD and all appurtenant structures and allied works. 2.Construction of Screening Chamber 8 NOS at Outfall Of major Nalla. 3.Providing, laying and jointing 600mm diameter RCC NP3 pipes 1380m length for Gravity Main sewer line From Screening Chamber to Pumping Station. 4.Providing, laying and jointing 200mm diameter DI-K7 pipes 100m length for pumping Main line From Pumping Station To STP. 5.Construction of 1.0 No Pumping Station Capacity - 2MLD. 6.Reuse Plan - Construction of 1.0 No R.C.C. Ground Service Reservoirs Capacity – 300KL with Pumping Pipeline – Dia 150mm, Length - 20m (DI-K7) And 2 Nos. pump. 7.Construction of Retaining wall length -160m. 8.Establishment of 1 Nos. of Electrical Substation and Providing and laying of HT Feeder Connection up to Sewerage Treatment Plant/ Pumping Station (For 1 KM

Detailed topographical & hydrographical survey of various Rivers/Khals/Drainage Channels/Canals/ Dam/Reservoirs/Beelsetc using higher precision instruments like DGPS/RTK/TOTAL STATION for land survey, ADCP/ECO-SOUNDER for water body survey etcalongwith total geo-referencing (X-Y-Z) alignment and plotting on google earth/arc GIS based map for taking cross sections, Long section of Drainage Channels/Khals/Rivers (extending each cross section upto 50m from toe of country side at both side banks) w.r.t. nearest known Ground control point(G.C.P)/Great trigonometrical survey(G.T.S.) Bench Mark, including additional cross sections (both U/S & D/S) at the points of bridges, regulators, cross drain, inlets, tributaries, branch channels, drains, out channels from pump houses, important structures etc., including additional cross sections at adjacent outfall point of these Drainage Channels/Khals/Rivers into other river for 250 mtr U/S & 250m D/S of that outfall point and showing detailed topography plan of all permanent & temporarily features like roads, canal, bridges, park culvert, boundary wall, Electric post, transformer etc. as available within the area, also including preparation of survey plan showing the location of topo point of FRL/G.L/Bed level/Berm level/HFL/LWL/Free-board/Pond/depressions/road etc. with appropriate R.I. and open area/green area/total ground coverage/nature of land for mentioning in the drawing with suitable scal,true north &relavent photographs etc. as per direction & satisfaction of E.I.C. complete in all respect. The cross section interval shall be fixed as & when required as per direction of E.I.C. Raw data for mathematical modelling ( in specified format as per direction of concerned authority) of survey work will also be submitted in time to time during working day. ii)Cross-Section width 250.0m to 1000.0m and cross-section interval of 30m to 120m c/c along river/khal/drainage channel etc Kangsabati & Kumari River a) upto 5.00km