North Eastern Railway Tender

Removal of O.P. Unit.

200 mm. dia M.S. Ring.

200 mm.dia M.S. Slotted pipe 6.00 mm. thick.

From 80 mtr. to 120 mtr. below G.L.

From 160 mtr. to 200 mtr. below G.L

Development by 600 PSI Air Compressor

From 240 mtr. to 280 mtr. below G.L.

From 120 mtr. to 160 mtr. below G.L.

Geotechnical investigation by drilling boreholes of dia 150mm, taking soil sample (disturbed/undisturbed) at every 1.5 meter, conducting standard penetration test, carrying out necessary test on soil samples in laboratory and providing the detailed report of bore log, testing parameters position of water table and calculation of bearing capacity at various depths with appropriate foundation type. The bore log shall be prepared in Auto Cad and soft copy of the report shall also be submitted. NOTE:- 1. The rates includes GST, all taxes tools & plants, labour & other materials as a complete Job & nothing extra shall be paid over and above this item. 2 . The boring depth will be 15 to 30 m approx as per site condition. 3. Preparation and submission of geotechnical report (in three hard copies for each LHS/FOB. 4. Mode of payment- (i) 60% payment may be made on completion of field work. (ii). Remaining 40% payment shall be made after acceptance of soil report by the division.

Supplying of Pea gravel 1.6 mm. to 4.6 mm. surrounding tube well.

"Supplying , fixing, commissioning and testing of automatic bacteriological treatment plant enabled with programmable logic controller water flow (PLC technology) for drinking water treatment as per SIS parameter with uarantee/warrantee for five years as per specification (1).The plant is fully automatic in term of operation. Its operation is controlled & monitored by programmable logic controller technology (PLC technology). The inbuilt memory of the controller enough to store all the programs to ensure regular and effective operation of the plant as per users need and requirement.( II) The PLC technology of the plant is incorporated with water flow sensor to ensure automatic proportional treatment of water in consonance with variation in water flow rate. (III) THE PLC technology offers the facility of on site digital dose rate programming in Lts/Hr, according to demand to demand of chlorine of water with LED/LCD display. " "(IV) The plant of designed to offer 4 maximum treatment capacity up to 200 m3/Hr. In proportion to variation in water flow rate automatically as per rogramme operational mode & schedule. (V) The electronic chemical infusing device of the plant offers 4.5 kg/cm2 injection pressure. (VI) The chemical measuring tank of the plant is of 200 Ltr capacity, made of chemical resitance polymer material suitable for corrosive chemical handling and fitted with standard fittings, accessories and visual level indicator of p.p. material to offer long service life. (VII) The plant is based on the use of sodium Hypochloride solution of similar chemical, conferming to IS:11673-1992 Gr.1 to accomplish bacteriological treatment process ( Chlorination) for disinfection of drinking water as per B.I.S. parameters vise IS:10500-1991. (VIII) The PLC technology of plants offers constant chemical level sensing for protection against dry. running of electronic chemical infusing device and raise alarm on chemical exhaustion. (IX) THE PLC technology of plants is provided with SMPS system to facilitate the operation of plant invanable voltage range from 110 volt to 270 volts. (X) The plant is provided with all safety factors to achive its full service life."

Drilling :- (a) Erection of Rig Machine

Transportation of air compressor to site.

Application Electric Logging including all incidental charges complete.

350 mm. dia. M.S. T.W. assemble support

200 mm. dia Plain pipe from 55 mtr. to 80 mtr. below G.L.

Drilling and reaming of 500 mm dia. Bore below ground level from 75 mtr. to 80 mtr

From 80 mtr. to 120 mtr. below G.L.

Development of Tube well by O.P. Unit.

Transportation of Rig machine from site to back.

350 mm. dia. M.S. Well cap.

350 mm. dia. M.S. Ring.

200 mm. dia Plain pipe from 200mtr. to 240 mtr. below G.L.

Transportation of O.P. Unit to site.

Removal of Air Compressor.

Transportation of air compressor from site to back.

Transportation of O.P. Unit from site to back.

200 mm.dia M.S. Plain pipe 6.00 mm. thick.

350/250 mm. dia. M.S. Reducer 8.00 mm. thick.

From 240 mtr. to 280 mtr. below G.L.

All the item as per attached Annexure-A based on CPWD-DSR-2021 and any other items not included in this annexure but provided in CPWD-DSR-2021 with up to date correction slips.

Testing of yield of Tube Well, Chemicals and bacteria in water.

Transportation of Tube well assembly i.e. housing pipe, plain pipe, slotted pipe.

350 mm. dia. M.S. Clamp.

Supplying & laying & jointing in position G.I. pipe line 150 mm dia as per latest drawing for side filling, watering arrangement etc. The rate also inclues earthwork in trenching, laying of pipe, back filling of earthwork etc complete if any as required.

From 200 mtr. to 240 mtr. below G.L.

Replacement of Rig Machine

From 120 mtr. to 160 mtr. below G.L.