North Central Railway Tender

Drilling & reaming of 550mm dia bore in all types of soil/strata including sand ,stone , rock & boulder formation with mechanical/pneumatic Rig. With contractors own machines T&P , materials , labour, consumables etc. From 75 m below ground level to 120 m below ground level.

Drilling & reaming of 550mm dia bore in all types of soil/strata including sand ,stone , rock & boulder formation with mechanical/preumatic Rig. With contractors own machines T&P , materials , labour, consumables etc. From 120 m below ground level to 160 m below ground level.

Drilling & reaming of 550mm dia bore in all types of soil/strata including sand ,stone , rock & boulder formation with mechnaical/preumatic Rig. With contractors own machines T&P , materials , labour, consumables etc. From 160 m below ground level to 200 m below ground level.

Application electric lodging including all incidental charges complete.

Surrounding of tubewell by pea gravel 1.6 mm to 4mm including supplying of pea gravel of approved quality as per IS 4087-1967 at site.

Supplying , Lowering , fixing in position & Painting of tube-well assembly as approved by the site engineer with 350 mm dia M.S.E.R.W. housing pipe of mild steel of 8mm thick plain/slotted as per requirement.

S/F 350 mm dia reducer of mild steel.

S/F 200 mm dia MS plain pipe of 6mm thickness.

Supplying lowering and fixing 200 mm dia MS slotted pipe 6mm thick ( threaded & socketed.)

S/F 200mm dia Bell plug 6mm thick .

S/F 350mm dia MS Clamp .

S/F 350mm dia Well Cap .

S/F 350mm dia MS Ring .

S/F 200mm dia MS Ring .

S/F 200mm dia MS pipe/girder for TW Support

Development of Tube well by 600 PSI Air Compressor including all incidental charges.

Supplying and applying surging of sodiam Hexa - meta phosphate for the tube well.

Development of Tube well by Over pumping unit including all incidental charges.

Testing of Yield and verticality test of the tube well.

Arranging the chemical and bactrological testing of water including submission of report.

Supplying and using bentonite powder during boring of the well .

Conducting Geophysical survey by electrical resistivity method to decide the location of tube well 25 site depending upon the water bearing strata laking in to account the physiography , hydro-geology and submission of detailed report along with recommendation of best suitable site ( minimum 3 locations to be tested for each tube well)

Construction of ''Intz'' type RCC Over Head Tank complete in all respects (with contractor's own steel , cement and all T&P items required for the construction) of 50000 gallon capacity each with 20 m high RCC staging as per Standard NR HQ E Plan No. HQ/1/01-97 (sheet no. I&II ,R-1 NR Type plan .W-40 ) with raft foundations, bottom ring beam, floor columns with bracings, top ring beam, column bracings, top dome, bottom dome, 900 mm wide RCC stair case with two rows of 15 mm dia "A" class G.I. pipe railing over balcony etc on outer side ,M.S.ladder from last landing to balcony,balcony to top dome,Aluminium ladder from top dome to inside tank body complete, man hole with cover at top dome, ventilator with covering of mosquito proof netting fixed on 26 wooden frame, water level indicator (electrical/electronics) having display arrangements in pump house with suitable wiring from tank to pump house building providing and fixing of aluminium lightening conductor strip 20 mmx3 mm at center of top slab of ventilator in accordance with IS specification, providing and fixing CI double flange " LA" class vertical pipes from tank body to 1.00 m below ground level with proper duck foot bend resting over the cement concrete block of proper size along with materials required for proper jointing,fixed in MS clamp with column etc. complete as per direction of Railway's Engineer at site, C.I.inlet pipes 100 mm dia 03 nos., C.I. outlet pipes 150 mm dia 02 nos.with 01 no overflow pipe of 100 mm dia and one wash out pipe (150mm dia), etc. including 19 mm thick plaster with coarse sand 1:2 inside the tank body except top dome and cement and sand plaster 1:3,6 mm thick on all exposed surface with all contractor's men and materials,equipment,shuttering,temporary arrangements etc. complete work with two coats of water proofing cement of approved shade and quality on exposed concrete surface & two coats of enamel paint of approved shade and quality over all steel surfaces,including testing of overhead tank and maintaining the same for a period of six months. All RCC works to be executed in M 30 design mix. The rate to be quoted is for complete work, as per plan no referred above. Square

Percentage above/below/at par on the CPWD DSR 2021 items