INTERCEPTION/DIVERSION OF DRAIN NEAR DHEKULIA GHAT/NEW BRIDGE/PUMPING STATION/DIVERSION OF DRAINS DISCHARGE INTO NEAREST EXISTING DRAINS HAVING OUTFALL INTO TAMSA RIVER IN MAUNATH BHANJAN NAGAR PALIKA PARISHAD, DISTRICT- MAU

CIVIL WORKS

Excavation of earth in Ordinary soil with lift upto 1.50m and lead upto 50m and surplus earth upto 50m distance etc. complete

Provide and lay 1st class Brick ballast 40mm gauge with local sand in proportion of 12:6:1 in foundation including compaction complete.

Cement concrete with 20mm gauge stone ballast, local sand and cement in proportion (M-20) in foundation including supply of all materials, labour T&P etc. required for proper completion of work.

RCC work with cement, coarse sand and 20mm gauge stone ballast in proportion of (M-20) excluding supply of its fixing & binding including all labour materials T&P etc. complete.

Mild steel or iron work in plain work such as in RCC work wrought to required shape as necessary including bending for proper completion of the work including supply of the steel and wastage.

Provision for coffer dam and required pumping to divert nala flow during construction of Nala flow during construction Nala cross wall (weir) Including supply of all materials, labour T&P and its maintenance complete including Construction of Temporary Drain.

Bailing out of water form the excavated trench with help of pumps as well as manually and removal of sludge, sullary from the bed of Nala as and when required including supply of pumps, mobil oil, wages of operators etc. complete for proper completion of works.

Excavation in Ordinary soil including disposal of surplus earth lift upto 1.5 mtr. & lead upto 50M filling watering & ramming of excavated earth, into the trenches and disposal of surplus earth upto a distance of 50M from the centre of the foundation trenches.

Provide and lay 1st class Brick ballast 40mm gauge with local sand in proportion of 12:6:1 in foundation including compaction complete.

Cement concrete with 20mm gauge stone ballast, local sand and cement in proportion 8:4:1 in foundation including supply of all materials, labour T&P etc. required for proper completion of work.

RCC work with cement, coarse sand and 20mm gauge stone ballast in proportion of (M-20) excluding supply of its fixing & binding including all labour materials T&P etc. complete.

In foundation

Mild steel or iron work in plain work such as in RCC work wrought to required shape as necessary including bending for proper completion of the work including supply of the steel and wastage.

Supply and fixing of 1.00m wide and 1.00m high manual MS screen made of 10mm wide 20mm deep flat iron with angle frame 55x55x10mm

Supply and fixing of single face sluice gate of following size including construction of necessary RCC column cross beams and fixing and grouting of sluice gate in position true to alignment complete 1.0x1.00m.

Sluice gate 1.0 x 1.0 m

Construction of necessary, fixing and grouting of sluice gates.

Fabricate, supply and fix MS ladder made of MS angle 60x60x6 and 20mm round bars etc. complete.

Provision for construction of board crested cement, concrete, weir in main nala for diversion of flow including supply of all materials, T&P etc. for proper completion of work.

Dismantling of nala RCC wall to make way for inlet of nala flow into the tapping channel including necessary repairs and removal and disposal of debries upto a distance of 50m and lift upto 5.0m complete.

Barricading of both side of trenches with the help of Balli, Bamboo etc. in three rows upto 1m high post should be fixed at 3m etc. including all labour, materials etc. complete as per direction of Enginner in charge measurement of barricading will be only one side.

Excavation in foundation in kankar mixed soil including lift as specified and lead upto 50 m filling water and ramming of excavated earth, all T&P, labour, materials etc. complete for the proper completion of the work and as per direction of engineer in charge.

Cement concrete with 20mm gauge stone ballast, local sand and cement in proportion 8:4:1 in foundation including supply of all materials, labour T&P etc. required for proper completion of work.

Sump base 3 to 4.50 M

Pumphouse floor

1st Class Brick work in 1:6 Cement and coarse sand mortar in foundation and plinth including supply of all materials, labour T&P etc. required for proper completion of work.

Long Wall (3 M) (2wallx (3+0.23)x(4+0.23)

Short wall (2.5 M)

12mm thick plaster with cement mortar in proportion 1:3 cement and coarse sand over brick work minimum thickness no the less than 10mm including supply of all materials, labour and T&P etc. required for proper completion of work.

For Wall 0.00 to 1.50 M

For Floor 3.0 to 4.5 M

1st Class Brick work in 1:4 Cement and coarse sand mortar in Superstructure One brick wall including supply of all materials, labour T&P etc. required for proper completion of work.

Long Wall (3M)

Short Wall (3M)

12mm thick plaster with cement mortar in proportion 1:6 cement and coarse sand over brick work minimum thickness no the less than 10mm including supply of all materials, labour and T&P etc. required for proper completion of work.

Long Walls (3M)

2wallsx 3.0 M lengthx3.0 M height

Short Walls (3M)

2wallsx 2.5 M lengthx3.0 M height

M.S. Grating with frame Cover for Sump including supply and fabrication etc. complete 3x2.5 = 7.50 m2

Mild steel frame with GI Sheet roofing for Pumphouse including MS angle for framing and GI Sheets (corrugated for roofing) size 50x50x6 including supply, labour T&P and fabrication and primer painting etc. complete 3x2.5 = 7.50 m2

Supply of all materials and painting snow- cem paint inside and outside the sump.

Enamel painting in door & windows including labour and material costs.

Supply of following sizes DI K7 pipe as per IS-6908/1991 or its lates ammendment including all joints materials, such as rubber gaskets cartage to site store, loading, unloading, insurance, taxes exercise etc.

200 mm Dia

Supply DI specials such as bends, reducers, collars etc. including cartage, loading, unloading, taxes, exercise etc. complete

Excavation for sewer pipe line in ordinary/kankar soil in trenches with lift upto 1.5m and lead upto 50m refilling of excavated earth into trenches and removal and disposal of surplus earth with in a distance of 50m from centre of the trenches.

In ordinary soil

Carting of following sizes of pipes and specials from store to site of works (within 8 Kms.) and lowering them into trenches and laying true to alignment including jointing, testing and cutting of pipes.

200 mm Dia

Supply of following sizes of CI D/F non rising GM spindle type sluice valve with cap. Class-10 (working pressure 10 Kg./cm² conforming to IS:790 at site store.

200 mm Dia

Carting of scour valve of following sizes to site of work, lowering in already prepared trenches and fixing them in position, making flange joints including supply of all materials, such as bolts, nuts, rubber insertion, white lead, testing etc. complete.

PUMPING PLANTS (As per SOR 2022-23)

Supply of Submersible non clog pumpset should be single stage having two vanes enclosed impeller coupled with submersible motor 3 phase 50 Hz, 1740lpm, 10 Mtr. Head solid handling capacity 100mm, suitable to pump raw sewage with an specific gravity 1.03. (1W + 1S)

Soft Starter 7.5 KW

3.5 C Al armoured cable Transformer to panel

Main Piping, Valves and Common Header

Reflux Valve (As per Delhi SOR 2022, Pg-147, 148)

DI D/F Reflux valve 150 mm dia

DI D/F Sluice valve 150 mm dia

Dismantelling Joint 150 mm

Ductile Iron Main Pipings

Nut bolts, Washer(S.S.) & Rubber packing- 1 Lot

L.T. Control Panel (Budgetory offer)

LIFTING ARRANGEMENT E.O.T. Crane

1 ton E.O.T. crane along with gantry girders, chain pulley block and geared trolley suitable for 6-9 m span 12m clear lift complete in all respect for pump house. Detailed specifications are as below confirming to I.S. 3177 and I.S.3832. (As per Delhi SOR 2022-Pg-181)

Tools and Plants (As per Budgetory Offer)

Toolbox of 30"x18"x11"Fabricated from 18 Gauge MS sheet fully black painted comprising of followings. Ring Spanner of 12 PCs-1Set D/E Spanners of 12 PCs-1Set Adjustable wrench12"-1No. Pipe wrench 24"size-12No. Pipe wrench 18" size-1No. Pipe wrench 12" Size-1No. Bearing Puller-1No. Crimpling Tools upto 400mm² (Hydraulic Type) Heavy duty sockets 20mm to 50mm-1Set Chain wrench 36"-2Nos. Omsiated plier-1No. L&Key set-1Set Screwdriver-1Set Rotary oil pump 1 No.

Power Wiring(As per Havells Price list)

Supply and Laying of 95 Sqmm. 3.5 core Aluminium conductor armoured cable from LT Control Panel to Motor Control Panel.

Earthing Complete in all respect. Earthing system shall executed as per IS : 3043 and I.E. rules. (for Motor Pump set, Control Panel, Mechanical screen)

PAINTING

Painting of all pumps piping and valves with two coat enamel paint.

LIGHT WIRING

Internal and External Electrification of Pump House and Control Room.

BAR SCREEN AND GATE

Bar Screens

Stage-I

Manual Bar Screen(40 mm) (Budgetory Offer)

Provision of suitable manual bar screen having 40 mm clear gap between screen bar of S.S. flat shall be 50mmx10mm size and angle of installation 45° duly followed with actuator with gear arrangement of suitable size in width