Laying of Sewer Network and House connection work in Hukulganj and Nai basti Ward Nagar Nigam Varanasi

Civil Work

Sewer Network

Execavation

Excavation for following depth below G.L. for laying of sewers in ordinary soil earth, sand, loam and clay including cutting of jointing pits, trimming dressing leveling refilling of trenches in 20cm layers watering and ramming the same including removal of surplus earth or other dismantled materials up to distance 50m from the centre of trenches.

TIMBERING

Providing and fix open timbering (covering 1/3rd) of surface area by planks in trenches for the following depth below G.L. Consisting of 40 mm approved country wood planks for poling boards 125mm x 75mm Indian Sal wood walers and 100 mm dia. Sal ballies for shuttering at 1.5m c/c including removal after laying. Both sides will be taken as one side for the purpose of payment and measurements i.e. area equals to length x depth of trenches and dismantled timbering materials will be the property of the contractor.

Providing and fix close timbering in the trenches for the following depth below G.L. consisting of 40 mm approved country wood planks for poling broads 125 mm x 75 mm Indian Sal wood walers and 100 mm dia. Sal bellies for truing the shuttering at 1.5 M c/c/ including removal after laying of sewers. Both side of trenches will be taken as one side for the purpose of payment and measurement i.e. area equals to length x depth of trenches. Dismantled timbering materials will be the property of the contractor.

Supply of following sizes of RCC NP3 S&S rubber rings joints pipe & rubber ring from factory to site of work, lowering gasket the same into trenches and laying true to the alignment and gradient including excavation of earth below invert level of pipes cost of all jointing materials, testing etc. complete. also including transportations loading, unloading, stacking all taxes excise duty transit insurance etc. complete.

NP3 200 mm dia pipe

NP3 250 mm dia pipe

NP3 300 mm dia pipe

NP3 350 mm dia pipe

NP3 400 mm dia pipe

NP3 450 mm dia pipe

NP3 500 mm dia pipe

NP3 600 mm dia pipe

NP3 700 mm dia pipe

NP3 800 mm dia pipe

Carting of following sizes of RCC NP3 S&S rubber rings joints pipe & rubber ring from factory to site of work, lowering gasket the same into trenches and laying true to the alignment and gradient including excavation of earth below invert level of pipes cost of all jointing materials, testing etc. complete. also including transportations loading, unloading, stacking all taxes excise duty transit insurance etc. complete.

NP3 200 mm dia pipe

NP3 250 mm dia pipe

NP3 300 mm dia pipe

NP3 350 mm dia pipe

NP3 400 mm dia pipe

NP3 450 mm dia pipe

NP3 500 mm dia pipe

NP3 600 mm dia pipe

NP3 700 mm dia pipe

NP3 800 mm dia pipe

Bedding

Cement concrete work in bedding below G.L. at specified depth with cement, coarse sand and 20 mm gauge approved stone ballast (1:2:4) including supply of all materials, labour, T&P etc. required for the proper completion of work.

Lean Cement concrete work in bedding below G.L. at specified depth with cement, coarse sand and 20 mm gauge approved stone ballast (1:4:8) including supply of all materials, labour, T&P etc. required for the proper completion of work.

Well graded crushed rock/ gravel max size 25mm including supply of all materials, labour, T&P etc. into the trenches for bedding of DWC/RCC Pipes including watering compaction, labour T&P etc. for completion of work.

Construction of circular type brick masonary/RCC manhole (with Extra Heavy Duty type manhole cover) with top slab made of cement concrete 1:1.5:3 with graded granite stone aggregate (12 mm nominal size), foundation concrete 1:4:8 graded stone aggregate other than granite 40mm nominal size, wall made of brick masonry using 1st class bricks having crushing strength between 100 to 149 kg/cm² in cement mortar 1:4 inside plastering 12 mm thick 1:3 finished smooth with neat cement, pinning, outside plaster 1:4 and making channels with cement concrete 1:2:4 graded granite stone aggregate (12 mm nominal size) complete as per specifications.

900mm internal dia., 1.65m deep

1200mm internal dia., 2.30m deep

1500mm internal dia., 4.95m deep

1800mm internal dia., 9.0 m deep

Same as item no 123 for Regulation of Shafts plus/minus from the above mentioned depth

900mm internal dia., 1.65m deep

1200mm internal dia., 2.30m deep

1500mm internal dia., 4.95m deep

1800mm internal dia., 9.0 m deep

Dismantling/Cutting of the following type of road for laying sewers, manholes, sewer connection chambers etc. including shorting out and stacking serviceable materials and disposal of unserviceable materials upto distance of 50 m.

Bituminous road

Concrete road

Interlocking tile road

B.O.E road

Permanent re-instatement of the following ty pe of road surface after laying of sewer line including supply of all materials, labour, T&P etc. required for completion of work. it also includes necessary excavation required for preparation of trench for reinstatement of road, disposal of surplus unserviceable material, watering, ramming, cleaning surface for proper completion of the work as per directions of Engineer ‐in ‐charge.

Bituminous road (PWD) -(20cm sand, 20cm GSB, 20cm WMM, 5 cm to 8 cm DBM, 3cm to 4 cm B.C.) payment made upto WMM- 50%, DBM- 30% and BC with testing in NABL aprooved lab/PWD- 20%

Bituminous road (Nagar Nigam) (20cm sand, 20cm GSB, 20cm WMM, 5 cm to 8 cm DBM, 3cm to 4 cm B.C.) payment made upto WMM- 50%, DBM- 30% and BC with testing in NABL aprooved lab/PWD- 20%

C.C. Road in M25 grade, minimum thickness 15cm on 20cm th. sand & 15 .cm th. PCC (M15) filling base & 10 cm GSB

Interlocking Road (existing usable Interlocking bricks M-30 grade, on 20cm local sand & 10cm TH. PCC 1:6:12). Incl. Entire surface Spreading 3 cm local sand for paste of brick & joint filling

BOE Road (15 Cm. sand with first class brick 50% New and 50% Old)

Supply of MS pipe (As per IS:3589 made from steel confirming to IS:2062), with anti corrosive treatment with P.U. coating and Installation of product pipe by HDD method including preparing and setting up the plants and equipement, preparing new pipe work material, installation new pipe-work and commissioning system or making the system ready for commissioning by HDD operation including, all related civil and mechanical works like excavation, shoring/strutting, etc. drilling, stringing, reaming, and pulling back the new pip-work on the designed bore path alignment, proper disposal of drilling fluid, and back fill of site after completion all inclusive as per IndSTT:101:2018: Code of prectice of HDD Technique Suiting Indian Conditions.

200 mm dia pipe, 6mm Pipe Wall Thickness

250 mm dia pipe, 6mm Pipe Wall Thickness

300 mm dia pipe, 6mm Pipe Wall Thickness

350 mm dia pipe, 6mm Pipe Wall Thickness

400 mm dia pipe, 6mm Pipe Wall Thickness

450mm dia pipe, 8mm Pipe Wall Thickness

Provision for laying of sewer by Trenchless Technology including Supply of different size of MS Pipe, Labour T&P etc. required for Proper Completion of the Work.

500 mm (with 12 mm thick M.S. pipe cost)

600 mm (with 12 mm thick M.S. pipe cost)

700 mm (with 12 mm thick M.S. pipe cost)

800 mm (with 12 mm thick M.S. pipe cost)

Providing and erecting temporary barricading at site as per drawing/ direction of Engineer-in-Charge which includes hiring of Eucalyptus Ballies and arrangement for traffic diversion such as traffic signals during construction at site as directed by the Engineer-in-Charge. The barricading provided shall be retained in position at site continuously i/c shifting of barricading from one location to another location as many times as required during the execution of the entire work till its completion. Rate include its maintenance for damages, painting, all incidentals, labour materials, equipments and works required to execute the job. The barricading shall not be removed without prior approval of Engineer-in-Charge. (Note :- One time payment shall be made for providing barricading from start of work till completion of work i/c shifting. The barricading provided shall remain to be the property of the contractor on completion of the work). The rate is for unit length of pipe laying.

Disposal of Surplus Earth

Diversion of Existing Sewer line during laying of New Sewer includding Supply of 7.1 mm thick MS pipe size 200 mm dia and as per requirement of site condition including cost of ms pipe ms bend flange nut volt rubber packing also including hiring of DG set welding machine and gas cutter all labour material etc complete 10% of Total Length and re- use of pipe

Dewatering work during laying of pipe line and construction of manhole

Dismantling of Existing old sewer pipe

Provision for Sand filling in trench for cuision of pipe

Provision for shifting and reinstatement of electric and telephone poles during excavation and laying of sewer lines.

Provision for shifting of electric and telephone cable, gas pipeline, existing water supply mains falling in the alignment of conveying main during excavation and the restoring utilities / services to its original condition. etc. during excavation and laying of sewer lines.

Provision for pile for sewer line which is coming varuna coridore 400mm dia 11m depth

Sewer House Connection

Construction of House Connecting chambers for two connections of size 0.6 x 0.6 x 0.75m

Making Domestic Sewer connection using 110mm HDPE pipe PN-6, PE-100

Laying of Sewer line from House Connecting chambers to M.H using 160mm HDPE pipe PN-6, PE-100

Sewer inter connecting chamber to intercept the waste water from toilet,kitchen and bathroom 0.3x0.3x0.45m

Rising Main

Providing, Supplying, laying, jointing & field testing at site as per specifications of centrifugally cast (spun) following dia Pressure Pipes with epoxy internal coaating and externally painting for sewerage confirming to IS 8329:2000 (amended upto date) with push on type EPDM 'ISI marked' rubber gasket (including cost of rubber gasket) joining as per IS 5382 specifications. Pipes shall be out side Zinc coated with finishing layer of Bitumen and have factory internal cement mortar lining. The rates include all the cost of material, cost of specials, all local and central taxes, labour required, transportation, loading, unloading, conveyance to site and stacking including lowering, laying & jointing with DI pipes and specials, etc. complete and giving satisfactory hydraulic field testing, commissioning as per specifications etc., complete as directed by Engineer. The pipe shall be ISI marked.

700mm Dia DI K-9

Providing, Erecting, Testing, Commissioning, of C.I. double ball orifice type 100 mm dia Air Valve inclusive of all taxes, transportation, insurance, Confirming to IS. With Construction of 350x350x500 mm size air valve chamber as per type design including supply & fixing of 50 mm dia medium duty perforated C.I. cover.

Providing, Erecting, Testing, Commissioning, of C.I. double ball orifice type 100 mm dia Air Valve inclusive of all taxes, transportation, insurance, Confirming to IS. With Construction of 350x350x500 mm size air valve chamber as per type design including supply & fixing of 50 mm dia medium duty perforated C.I. cover.

SEWAGE PUMPING STATION (SPS)

Design, Construction, Supply of all materials, Erection and Commissioning of SPS (23.0 MLD) with all the civil, LT/HT panel Room, DG set foundation, Pump House, Boundry wall, Internal Road, Gate etc. all complete including all neccessary work as neccesity.

E&M WORK FOR PUMPING PLANT AND THEIR APPURTENANT WORK

VFD starter For 60 KW pump set

SUBMERSIBLE PUMP SET:

Submersible sewage non-clog pumps with Jacket cooled Integreated Motor of IP 68 Protection for 400±10% V AC, 3phase 50 Hz. suitable to pump raw sewage with specific gravity of 1.05 and also capable to handle solids up to 135mm size with all suitable piping and specials having following material of construction. Casing- 2%NiCI Impeller- ASTM CF8M Shaft & Shaft sleeve- ASTM SS 410 with (Automatic Coupling system) Guide rail system comprises of Pedestal, bracket, upper guide rail holder etc.- 8 set Guide pipe for above 8 sets pumps @ 18 Meter/ pump.- 8 Lot

137 LPS, 25 m Head, 980 RPM (4W+4S)

APFC panel with suitable capacity of capacitor bank having suitable MCCB and Discharge system with all necessary relays,instruments & wiring etc. Complete.

MAIN PIPING & VALVES:

Provision for main piping and valves for 350 mm dia, and 1100 mm dia common header line

Valves

Motor operated Sluice Valve with actuator

CIDF 1100 mm ø

CIDF 350 mm ø

Reflex Valve

CIDF 350 mm ø

CIDF 1100 mm ø

PIPING

CI D/F Pipe dia 1100 mmX 3 m

CI D/F Pipe dia 350 mm X 3M

CI A/F Tee 1100x350x1100 mm

SS blind flange dia 350 mm

CIDF 90 degree bend dia 1100 mm

CIDF 90 degree bend dia 350 mm

CIDF 90 degree duckfoot bend as per site

CIDF 90 degree duckfoot bend (as per requirement)

CIDF Reducer/Enlarger 1100 mmx 350 mm

DIDF Reducer/Enlarger 250 mmx 350 mm (if Required)

Nut and bolts with washer(SS) of suitable size

Necessary pump foundation, rubber packing, insertion and other material- 8 Job

(i) Providing, Installation, Testing and commissioning of 1100 mm ELECTRO MAGNETIC FLOW METER cum totalizer having following charecteristics/MOC: Liner: Polyurethane or Hard Rubber / Electrode MOC: SS316L /Housing : Die Cast Aluminium or CS / Power Supply: 90-230 V AC / Output: 4-20mA with HART / Sensor Cable : 10 mt / Flow Tube or Sensor housing protection IP68 / Process Flange : SS316 / Display : 3 1/2 LCD Display / Cable Connection : 1/2"NPT /Accuracy : 0.5%(make Chrone Marshall / E&H)

(ii) CVT with control cables

LIFTING TACKLE:

Supply, installation and commissioning of indef/Morris 5T EOT Mono Rail Double Girder with 4 way motion,having suitable lift with chain, pulley block and traveling trolley complete

Necessary Tools & Plants & safety items as mentioned in technical specification:

Supply of 5 kg Capacity Dry Powder/ABC type fire extinguisher.

12/20 mm. thick rubber electric resistance rubber sheet as per ISS.

Steel chairs.

Fire bucket with stand

Steel Almirah of 6’x3’

Steel Tubular Table ( 2 nos) as per direction of EIC

Installation & Commissioning:

Installation & Commissioning of all 8 Nos. pump sets, piping & valves, guide rail, lifting tackle etc. complete in all respect as per EIC

Painting

Provision for painting of all pumps, piping and valves with two coat enamel paint

Light Wiring

Light wiring of Pump House, L.T. control room, Meter room, D.G. room, Store and Staff Quarters:

Wiring of light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq. mm FR PVC insulated unsheathed flexible copper conductor 1.1 kV grade and 1.5 sq.mm FR PVC insulated unsheathed flexible copper earth conductor 1.1 kV grade (IS:694) of approved make in surface / recessed ISI marked medium duty PVC conduit & it's accessories, round tiles,18 SWG M.S. box with earth terminal, screwless cage connectors for neutral looping in switch board & false ceiling point. 6 A switch, 3.0 mm thick phenolic laminated sheet, zinc plated / brass screws, cup washers, making connections, testing etc. as required.

Wiring point for LED/ power plug with 2.5 sq mm PVC insulated multi core cable in heavy gauge rigid PVC conduit concealed in wall complete with 1/18 copper wire. Earth continuity wire with 16 Amp. metal clad SPN switch/ 15 Amp. piano type switches complete in all respect.

Provision for supply & fixing of main suitable distribution boards with MCBs for controlling the lighting system.

Supply and fixing of factory wired industrial fluorescent tube fitting with reflector fabricated from CRCA sheet and finished with powder coating / vitreous enamelled complete with accessories complete including tube etc. on wall.

Supply and fixing of 125 watt LED fixture with lamp and its all accessories.

Supply & fitting of steel swaged tubular poles of 9M length as per I.E. rules.

Supply and laying of 1 x 120 sq mm Cu conductor XLPE insulated 3 core armored submersible cable from Composite panel to pumps (110 HP)

Aluminium Junction Box

24 inch dia Exhaust fans(4 Nos) & exhaust blower during cleaning of SPS (2 Nos)

L.T. Pannel 2mm thick CRCA sheet fabricated factory wired dust, damp and vermin proof metal clad cubical and floor mounted single row type control panel for system voltage 400+10%, 50 Hz, comprising of following items Incoming/Outgoing panels L.T. control panel having 4 Nos. (or suitable nos for synchronization) incoming having 630 amp ACB draw out type & outgoing Panels (10 No.) 150 amp MCCB, 3 Nos, 100 amp, 2 nos 63 Amp MCCB for aux light & suitable to operated on 400 ± 6 % volt , 3 Phase , 50 Hz, AC supply ,with C.Ts,P.T AVF Meter,KWH meter P.F Meter, Bus Bar chamber, Relays and other Protective Devices Complete in all Respects. Control panel is also suitable to meet the basic requirements of motor protection such as No volt and under voltage protection and thermal over load protection. Panel will be connected with PLC/RTU. Panel will include synchronization systems for Transformer and DG set, Suitable capacity APFC panel for non VFD Laod as mentioned in technical specification & direction of EIC

Supply and making end termination/joints of the above cable

Supply and making end termination of the above cable

Earthing of electrical equipments as per IS/ IER

Proper fencing of sub-station portion as per IE Rules

Charges of Electrical safety clearance.

Supply of 5 kg Capacity Dry Powder/ABC type fire extinguisher.

12/20 mm. thick rubber electric resistance rubber sheet as per ISS.

Erection L.T. panels, laying of cables & filling L.T. Cable end boxes as detailed above.

Exhaust fans of suitable sweep/capacity

Commissioning and testing including type test of the sub station equipment including first filling and centrifuging of oil in the installed equipment wherever necessary.

Testing at manufacturer works L.T. Panels

Construction of Sub-Station

(A) 11 KV floor mounting, single row type H.T. panel having 1 No. incoming and 2 Nos. outgoing VCB(800 Amp) panels complete with insulated bus bars, all necessary metering and safety equipments.

(B) 11 KV / 0.400 KV, 400 KVA outdoor, step down transformers

(C) 11 KV XLPE cable of 3 x 150 sqmm size Al. armoured cable

(D) Providing bus duct 630 A Aluminium With sheet steel enclosure made out from CRCA sheet door 1.2mm & body 1.6mm, powder quoted, door locking system allow opening of door in off position only with 2 external earthing point

Supply of 0.44 KV capacitor bank complee with all accessories.

(E) Cable Jointing Kit

(i) H.T. indoor type

(ii) H.T. outgoing type

(iii) L.T. indoor type

(F) Double earthing of all sub-station equipments complete with salt, charcoal, G.I. earth electrode, C.I. earth boxes, G.I. watering pipe, G.I. earth strip of adequate capacity and labour.

(H) Internal electrification of H.T. and L.T. control room and switch yard with supplu of all light fittings and exhaust fan & campus area.

(I) Supply & fixing of M.S. checkered plate over cable trenches

(J) Miscllenous work as barbad wire fencing of switch yard construction of cable trenches, Safety Equipments i.e Fire Extinguisher ,Sand Bucket ,etc etc.

(K) Erection and commissioning of all sub-station equipments

(L) Testing of all equipments of sub-station at manufacturer’s works

(L) Construction of foundations of Transformers and panels

Manual bar Screen

Provision of Stainless Steel(SS 316) manual coarse bar screen having clear gap between screen bar- 50 mm, size of flat shall be 50mm x 10mm angle of installation 70º . Complete

Mechanical Bar Screen

Provision of Stainless Steel (SS 316) mechanical bar screen having clear gap between screen bar- 30 mm, size of SS flat shall be 50 mm x 10 mm, angle of installation - 70º duly suitable for 2.44 m wide followed with conveyer system, electric motor, starter, cable, panel, bins etc. (for peak flow upto 21.5 MLD)

Trash coarse screen movable covered containers of 1 cum capacity complete in all respect as per technical specification and the direction of the Engineer. Manually Raked Coarse Bar Screen with 50 mm clear opening for following PEAK FLOW and upto 3m channel depth.

Sluice Gate

Provision of CI Thimble Mounted Sluice Gate with motor, actuator operated, Rising Spindle type. Sluice gates are as per IS 13349 Including all taxes, Freight, loading, unloading, fitting in position including Sluice gates are upward opening wall thimble mounted suitable for isolating the flow of sewer into out of the opening in the wall. It consists Gate frame, wall thimble, gate slide, shutter, seating/sealing faces .The gates will be provided with pads on sides, top and bottom to mount the wedges. The gate shall be designed in such a manner, so that it can be operated at 2 meter head. Gate frame & Shutter of CI Grade IS 210 FG 260, Head Stock assembly bolts & SS ASTM A276 Type316, Stem, Operating Nut SS ASTM A276 Type 316., Duly tested for tensile strength, Tested for over all dimensions as per approved GA drawing complete in all respect as per specification and direction of Engineer, 2x no of in screen upto size 700x700mm

Provision of CI Thimble Mounted Sluice Gate with motor, actuator operated, Rising Spindle type. Sluice gates are as per IS 13349 Including all taxes, Freight, loading, unloading, fitting in position including Sluice gates are upward opening wall thimble mounted suitable for isolating the flow of sewer into out of the opening in the wall. It consists Gate frame, wall thimble, gate slide, shutter, seating/sealing faces .The gates will be provided with pads on sides, top and bottom to mount the wedges. The gate shall be designed in such a manner, so that it can be operated at 2 meter head. Gate frame & Shutter of CI Grade IS 210 FG 260, Head Stock assembly bolts & SS ASTM A276 Type316, Stem, Operating Nut SS ASTM A276 Type 316., Duly tested for tensile strength, Tested for over all dimensions as per approved GA drawing complete in all respect as per specification and direction of Engineer,inlet and bypass and 2 no for old pumphouse interconnection.size 900x900

Testing of above equipment at manufacturer works

Installation & Commissioning

Installation & commissioning of all screens and sluice gates complete.

FOR AUTOMATION OF SPS

GPRS/GSM based redundant Remote Terminal Unit(RTU) with CPU, Analog & Digital parameters as specified to store and transmit data on GSM backbone to LCS and should be able to send & receive SMS from registered mobile parallel mode.(one iRTU for two pumps)

GSM/GPRS based wireless communication hardware for RTUs. Capable to transfer data from site to LCS with all accessories etc complete.

Intelligent energy meter

Smart Pressure transmitter

Auto phase reversal unit/Automatic transfer switch with inbuilt time delay and enclosure (Conforming to IEC 60947-1 & IEC 60947-6-1) of suitable for rating

Cabling

Security survelliance IP camera

Radar type level transmitter with RTU communication

Control Panel with IP 65 protection, industrial grade 24 V power supply and other required items

Surge protector for all AC control supplies to all the equipment

7" HMI touchscreen suitable to communicate with PLC/RTU, for local display & control of process parameters

Installation, testing and commissioning

Test and trial run for 3 months

Local Control Station

CE & BIS approved manufacturer's industrial grade 65 inch LCD monitor with latest configuration as per specification of size 65"

Desktop/PC i7 for LCS as per latest spec. mentioned

CE/UL approved manufacturer's 5 KVA UPS with batteries as spec. mentioned for LCS and Computer as per requirement

Full development version of required TAGS SCADA software suitable for digital and analog input/output features with customization of software as per requirement as per spec. mentioned with unlimited digital and analog Input/Output features specified in detailed technical document with customization of software as requirement including integration of this system in to existing MCS,dinapur with proggramming and complete in all respect

CE & UL approved manufacturer's control room PLC with CPU & power supply at LCS in IP65 enclosure as per spec. mentioned

GSM based wireless communication system for PLC capable to transfer and gather data from remote sites to control stations, including all accessories complete

CE/UL approved manufacturer's Firewall for network protection

Lightning surge protector

CE/UL approved manufacturer's industrial grade ethernet switch

Canon/HP 1018/equivalent Laser printer

Security Survelliance IP camera for LCS

Installation, testing and commissioning

Test and trial run

Diesel Generating sets.

TRIAL RUN FOR THREE MONTHS

3 month trial run including manpower in 3 shifts,consumables like Diesel,Lube oil etc.

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