WBPWD/EE/N24/EL/e-NIQ-68/25-26

Making insulation by 2" glass wool including netting arrangement and covered with aluminium clading as per direction of the EIC. 80 mm. dia exhaust pipe

4 Core 50 Sq.mm. (from DG set to VTPN)

4 Core 25 Sq.mm. (from VTPN to HTPN)

SUB HEAD 1 -- SUPPLY OF CABLE Supply of 4/2 Core XLPE Insulated & Sheathed Armoured Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes. [Make- Gloster/RR Kabel/ Polycab/Havells] (NS)

From 2.5 sqmm to 35 sqmm at an average depth of 75 mm in floor / pavement / wall etc. [5(i)/F-3]

Above 35 sqmm to 95 sqmm at an average depth of 100 mm in floor/ pavement /wall etc. [5(ii)/F-3]

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below :

4 core 50 sqmm [7(c)/F-4]

4 core 25 sqmm [7(c)/F-4]

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials :

4 core 50 sqmm cable [8(b- xvi)/F-5]

4 core 25 sqmm cable [8(b- xiii)/F-5]

Supplying & fixing medium gauge GI Pipe (ISI-Medium) Protection with necessary fittings and jointing metarials as required.

50mm dia [11(d )/F-6]

SUB HEAD 2 -- LAYING OF CABLE Laying of cable as below, after cutting floor/pavement/wall/ and making holes incl. embedding the cable at an average depth as below and mending good the damages to original finish incl. removing the rubbish.

125 A [3(a)/D-2] (for bypass provision of two nos. DG set)

SUB-HEAD 3 -- MISCELLANEOUS Supplying and fixing 415V, TPN on load front operated Changeover switch with Sheet Steel enclosure on angle iron frame on wall with nuts bolts etc. [Make- L&T].

2 x 84/0.3 (6 sqmm) + 1 x 56/0.3 (4 sqmm) ECC [1(a-iv) / E- 14]

Finishing of the PVC insulated wire ends by socketting with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes.

c) 4 sq mm [9(ii) / F-5]

d) 6 sq mm [9(iii) / F-5]

SUB-HEAD 4 -- PVC CONDUIT & COPPER WIRES Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Make- Finolex/ Polycab/ RR Kabel/ Havells) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required.

Supplying and fixing double-door SPN MCB Distribution Board with IP-42/43 protection, concealed in wall after cutting the wall & mending good the damages to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment. [Make- Legrand/L&T/Schneider/ABB]

Supplying and fixing 240/415 V MCB Isolator on din rail of existing DBs and necessary connection as per GS. [Make- Legrand/L&T/Schneider/ABB]

Supplying and fixing 240/415 V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connectionas per GS. [Make- Legrand/L&T/Schneider/ABB]

Supplying and fixing double door sheet steel (16SWG), powder coated cable end box for TPN DB horizontal / vertical enclosure with IP-42/43 protection, on angle iron frame on wall & mendinggood the damages to original finish with nuts bolts etc incl. provision for earthing attachment.

4/6 Way (Horizontal) [16/ D-12]

Construction Details :

All incoming & outgoing switches are to be housed in respective compartments hinged and gasket doors at the front. All doors should have panel locking arrangement in such a fashion that it can not be on unless the feeder remains in off position. The rear panel should gasketed wire net guard for ventilation arrangement will be made of easy accessibility to each compartment by providing rear panel doors with locking system. The panel is to be properly gasketed to prevent the dust & vermin. All vertical bus bar chambers is to properly arrange and all electrical equipments are to be fixed by nuts and bolts on suitable Hylam board / porcelain insulators of adequate size and dimension. The outgoing feeder connection from respective switches are to be made at rear side of panel by means of busbar, copper multi core cables, to be terminated on bolted type terminals for cable connection or on bush insulators for bus bar connection. Each compartment will be providing with DMC/FRP board at back side.

Incoming Switch :

Supply and fixing 415V, 250A TPN SFU with DIN type HRC Fuses having Front Handle in open execution (Make- L&T/ Siemens/Schneider/ABB) - 1 No.

Busbar Section :

440V, 315 Amp capacity 99.9% – 99.5% pure high conductivity electrolytic tinned 4 bar copper bus bar [size of flat 4 x 40 mm x 5 mm] mounted on non-hygroscopic DMC/ porcelain insulator or hylam sheet having sufficient di-electric strength duly wrapped with colour PVC tapes (Red, yellow, blue & black) for phases & neutral identification. Bus Bar shall have polyster glass support - 1 set.

The busbar is to be rigidly supported on suitable non-hygroscopic insulating materials of robust ration to with stand electromechanical stress in the event of earth fault. All connection to bus to made by suitable nuts & bolts. The busbar is too wrapped with coloured PVC (Red. Yellow, Blue & Black) for colour identifications.

Outgoing Switches :

a)Supply and fixing 415V, 125A TPN on load front operated Changeover switch having Front Handle in open execution (Make- L&T/ Siemens/Schneider/ABB) - 1 No.

b)Supply and fixing 415V, 200A TPN SFU with DIN type HRC Fuses having Front Handle in open execution (Make- L&T/ Siemens/Schneider/ABB) - 1 No.

c)Supply and fixing 415V, 100A TPN SFU with DIN type HRC Fuses having Front Handle in open execution (Make- L&T/ Siemens/Schneider/ABB) - 2 Nos.

d)Supply and fixing 415V, 63A TPN SFU with HRC Fuses having Front Handle in open execution (Make- L&T/ Siemens/Schneider/ABB) - 3 Nos.

Metering Panel :

a) LCD single function Meter (Make- L&T, Model- Cat No.- WL111020OOOO or equivalent) - for 1-ph Ammeter --- 3 nos.

c) Indicating LED Lamp with colour glasses showing(Red/Yellow/Blue/Amber) (L&T/ Siemens) - 6 nos.

d) 250/5 Amp ratio C.T (AE/ Kappa or equivalent) --- 3 nos.

e) S & F 6 Amp SP MCB (L&T/Legrand/Siemens) ---- 3 nos.

f) E.I. Danger Board of suitable size

Interconnection :

All interconnection between incoming main to Busbar are to be made with suitable size electrolytic tinned copper bars of 4 x 40mm x 5mm and the same between busbar to all outgoing mains i.e., 200A TPN SFU is to be made by 4 x 25mm x 5mm Cu bars, 100A/125A TPN SFU or Changeover Switch are to be made by 4 x 25mm x 3mm Cu bars and 63A TPN SFU is to be made by 16 sq.mm. flexible PVC insulated multistranded FRLS Cu cable and also for metering arrangements are to be made by suitable size of multistranded Copper wire with proper socketing of the end of each wire leads.

Earthing :

A separate continuous GI earth busbar of size 50mm x 6mm shall run across the full length of the panel board and brought outside the panel. All electrical equipment are to be properly earthed with suitable size G.I. wire.

The complete panel board is to be spray painted after required surface treatment by 7 tanks process / sand blasting with 2 coat of red oxide primer & 2 coat of finished paint over dried or powder coating.

Installation :

The complete panel board is to be installed on angle iron frame on wall incl. earthing attachment and painting as required as per direction of E.I.C.

All incoming/outgoing switches is to be properly lebeled on Acrylic sheet as per direction of EIC.

Connecting the equipments to earth busbar including S & F GI (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages.

No. 4 SWG [5(a)(i)/G-2 ]

ENGINE

Make : Cummins/Greaves/Kirloskar/Ashok Leyland

Engine Type : 4 stroke Diesel Engine

SUB HEAD 8 -- SITC OF DG SET SITC of minimum 50 KVA or higher, 415V, 50Hz, 3Ø silent new DG Set, comprising of Engine, Alternator, separate AMF Control Panel, Base frame, Fuel tank, Battery, CPCB-IV+ approved Engine & Acoustic Enclosure having following specifications :

Duty : PRIME

Cooling : Coolant with Radiator

Rated Output : 72 BHP or Higher

Aspiration : Turbo Charged

Type of Governer : Electronic

Fuel Tank Capacity : Minimum capacity 150 Ltrs. or Higher

Fuel Consumption at 75% rated Load with Radiator or Fan : 12 Ltr./ Hr. or Less

Fuel Consumption at 100% rated Load with Radiator or Fan : 14 Ltr./ Hr. or Less

Overload Capacity : 10% overload for one hour for every 12 hours continuous running at full load or better

Engine instrument Panel : Consisting of starting switch with Key, Lube Oil Indicator, water temperature Indicator, RPM indicator and hour meter.

Safety Controls : Emergency Stop, Low Lube Oil Pressure warning/ Shutdown, High Engine Water Temp. warning/ Shutdown, Sensor failure Indicator, Engine overspeed indicator, Battery charging and low battery indicator

Exhaust Silencer : Residential Type

Starting system : 12V/ 24V. starting system complete with starter motor, charging alternator with rectifier and Cutout as per manufacturer standard.

Battery : Lead Acid, Low Maintenance or SMF and conforming to relevant IS Specification with Low/High Battery Voltage and Weak Battery warning

ALTERNATOR

Cylinder : 3 or Higher As per OEM Standard

Make : Stamford/ Greaves /Kirloskar/ Leroy Somer

Type : Brushless, self excited and self regulated

Insulation : Class H

Protection : Screen-protected drip proof with Min. IP-23 degree of protection

Voltage Regulation (max) : ±1%

Winding connection : Star with Neutral

Total Harmonic distortion in output waveform : < 5%

AMF CONTROL PANEL

Rating : 415 V, 3Ph, 50 Hz., 50 KVA or higher, 1500 rpm

i) 100A, 36 kA FP MCCB with O/L, S/C, E/F protection and microprocessor based protection release , U/V release etc. [Make : Legrand / Schneider Electric / L&T / ABB] - 2 Set

ii) In Built By-Pass switch for rated capacity

iii) On -delay timer for load change over

iv) On-delay timer for engine shut off

v) Engine On-Off switch (Push button type)

vii) Minimum five number indicating lamps to indicate 'mains ON', 'load on mains', Set running', 'load on set' and 'battery charger on'.

viii) Audio visual alarm for 'Low lubricating oil pressure', 'High water temperature, Start failure', and DG over load'.

x) Microprocessor based relay with composite meter for digital display of following.

Generator voltage/AC Mains voltage.

Generator Current in all phases

Frequency

Power Factor

Energy

Indication for alternator supply

Running time indications number of hours of operation and service intervals, service due indications

The AMF panel must be designed to ensure trouble free performance and ensure switching over Electrical Load to DG within 15 (fifteen) second from the instant of mains failure.

ACOUSTIC ENCLOSURE

The DG set should have integrated acoustic enclosure at the manufacturing state itself. High quality acoustict enclosure must be certified as per CPCB- IV+ norms.

BASE FRAME

Common iron channel fabricated base frame containing the engine and alternator, mounted on AVM pads and having provision for lifting Hook.

TERMS & CONDITIONS

(i) Rate should be quoted inclusive of Transportation, unloading and loading etc.

(ii) All materials, equipments & accessories must conform to relavent IS /IEC specifications. The DG Set to be supplied must be from the authorized OEM of the respective Engine Manufacturer.

(iii) Nacessary manufacturer's test certificate for Diesel Engine, Alternator etc. Will have to submit in triplicate copy during delivery of the equipment.

(iv) Copy of "Type Approval Certificate" and Certificate of "COP" must be produced at the time of delivery issued from competant Authority (As per CPCB-IV+).

(v) Circuit Diagram for AMF Panel must be submited from the Manufacturer/OEM.

(vi) The entire set must be warranted atleast 15 months from the date of Delivery/12 months/ 5000 Hrs from the date of Commissioning whichever is earlier. However Engine & Alternator should be warranted of 2 years/5000 Hrs, whichever is earlier.

(vii) Supply & drawing 1.1KV grade 7 core 2.5 sqmm stranded unarmoured PVC insulated copper control cable from DG to AMF Panel through pipe protection. (Make- Polycab/Finolex/Gloster/RR Kabel

S&F rain protection canopy.

SUB-HEAD 7 -- EARTHING Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, doublenuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below : By ISI-Medium GI pipe [2(a)/G-1] (for DG set & LT panel)

Filling of HSD oil for initial refill with transportation.

Earth work in excavation of foundation trenches or drains, in all sorts of soil including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. ( Depth of Excavation not exceeding 1500 mm ) [ Page 1, Item No.- 2(a) of PWD Schedule of Rates, Volume-I of Building Works, 2017 ]

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm including watering and ramming etc. layer by layer complete. a) With earth obtained from excavation of foundation. [ Page 1, Item No.- 3(a) of PWD Schedule of Rates, Volume-I of Building Works, 2017 ]

A) Filling in foundation or plinth by silver sand in layers not exceeding 150 mm a) With earth obtained from excavation of foundation 1/5th of excavated earth [ Page 2, Item No.- 4(A) of PWD Schedule of Rates, Volume-I of Building Works, 2017 ]

Single Brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. [ Page 14, Item No.-1 of PWD Schedule of Rates, Volume-I of Building Works, 2017 ]

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm size) including shuttering and reinforcement, if any, in ground floor as per relevant IS codes ( Pakur variety ) [ Page 26, item no.10 of PWD Schedule for Building works with latest ammendment ]

Brick work with 1st class bricks in cement mortar (1:4) in foundation and plinth. [Page 16, Item No.- 13(a) of PWD Schedule of Rates, Volume-I of Building Works, 2017 ]

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar (1:6) including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor). (15 mm thick plaster) [Excluding cost of chipping over concrete surface] [Page 189, Item No.- 1(i)/(c) of PWD Schedule of Rates, Volume-I of Building Works, 2017]