R.A.D.
DELHI DEVELOPMENT AUTHORITY
ELECTRICAL DIVISION NO-7
Keshavpuram, Delhi-35.
No:- F. 69(44)/ EE / ED-7 /DDA / 2010-11 /1755 Dated:-27.12.10
To
M/s R.K. Projects Pvt. Ltd.
20, Main Market, Moti Nagar,
New Delhi-110015.
Name of work:-: C/o 388 MULTISTORIED HIG Flats at Mukherjee Nagar.
SH: Supply & installation of D.G. set for essential services at 336 HIG flats at Mukherjee Nagar
Dear Sir(S),
Your item rate tender for the above mentioned work has been accepted on behalf of Delhi Development Authority, at the rates, terms and conditions as given below:-
1. / Estimated Cost / : / Rs.59,80,764/- ( Rs. Fifty Nine Lac Eighty Thousand Seven Hundred Sixty Four only)2. / Tendered Quoted Amount / : / Rs.61,72,500/- (Rs. Sixty One Lac Seventy Two Thousand & Five Hundred only)
3. / Net Tendered Amount (after negotiation) / : / Rs.61,72,500/- (Rs.Sixty One Lac Seventy Two Thousand & Five Hundred only)
4. / %age for the purpose clause-12 / : / Item Rate 3.20% above ( Three Point two zero percent above the Estimated Cost).
5. / Performance Guarantee
5 % of Tendered Amount / : / Deposited Bank Guarantee No. 52/10 in lieu of Performance Guarantee Amounting to Rs.3,15,000/- dt.15.12.2010 of Canara Bank D.D.U. Marg, New Delhi valid upto 14.12.2011.
6. / Time Allowed / : / 03 ( Three) Months.
Contd….2/-
:: 2 ::
You are also requested to attend the office of the under signed along with a non – judicial stamp paper worth Rs.50/- (Rs. Fifty only) to complete the formal agreement with in seven days from the date of issue of this letter failing which the award of work shall / likely to be withdrawn and the entire amount of your earnest money shall be forfeited.
You are requested to contact AE-IV / Electrical Division -7 and start the work at once. Please note that the time allowed for carrying out the work as entered in the agreement shall be reckoned from the 10th day after the date of issue of this letter to commence the work.
This office letter dated 16.12.2010 & S.E. (Elect.), Electrical Circle-2, DDA, office letter dated:-14.12.2010 and your negotiation letter dt. 9.12.2010 shall be part of the agreement.
Yours faithfully,
Sd/-
Executive Engineer (Elect.)
Electrical Division No-.7
Delhi Development Authority
Copy to:-
1. C.E.(Elect.) / DDA for information please.
2. F.O. to C.E. (Elect.) for information please.
3. SE.(Elect.) / Electrical Circle-2 for information please.
4. Sr. A.O., CAU (NZ) / DDA..
5. Executive Engineer (Elect.) / Q.C.C. / Vikas Sadan, DDA.
6. Executive Engineer (Elect.),Electrical division No-1 to 6 & 8 to 12 DDA.
7. A.O. (W)-II, DDA, Vikas Sadan, New Delhi.
8. Labour Commissioner, 15 Rajpura Road, Delhi.
9. Income Tax Officer (Contractor Cell), ITO, New Delhi.
10. The Commissioner Sales Tax ,G NCT D, I.P. Estate New Delhi.
11. Assistant Engineer (Elect.)-IV/ Electrical Division -7 along with a copy of schedule.
12. Head Clark / Electrical Division -7
13. AE (Plg.) / Electrical Division -7
14. Copy of Agreement.
15. Concerned File.
16. E-Mail to .
17. office copy.
Sd/-
Executive Engineer (Elect.)
Elect. Divn.7, DDA
DELHI DEVELOPMENT AUTHORITY
ELECTRICAL DIVISION NO. 7
SCHEDULE OF QUANTITY
NAME OF WORK: C/o 336 MULTISTORIED HIG Flats at Mukherjee Nagar.SH: Supply & installation of D.G. set for essential services at 336 HIG flats at Mukherjee Nagar.
S.NO. / DESCRIPTION OF ITEMS / QTY. / UNIT / RATE / AMOUNT
Sub-Head "A" (Equipments)
1. / Providing, Installation, Testing and Commissioning of ‘Silent Type’ Diesel Generating set alongwith having Prime Power Rating of 250 KVA, 415 volts at 1500 RPM, 0.8 lagging power factor at 415 V suitable for 50 Hz, 3 phase system & for 0.85 Load Factor and consisting of the followings :
(a) / Diesel Engine :
Diesel engine 4 stroke water cooled, electric start, of suitable BHP at 1500 RPM suitable for above output of alternator at 40 Degree C, 50% RH & at 1000 Meter MSL and conforming to BS 5515, BS 649, IS 10000, capable of taking 10% over loading for one hour after 12 hours of continuous operation. The engine will be fitted complete with all the required accessories.
(b) / Engine mounted Instrument Panel fitted with and having digital display for following :
(i) / Start-stop switch with key
(ii) / Water temperature indication
(iii) / Lubrication oil pressure indication
(iv) / Lubrication oil temperature indication
(v) / Battery charging indication
(vi) / RPM indication
(vii) / Over speed indication
(viii) / Low lub. Oil trip indication
(ix) / Engine Hours indication
(c) / Alternator :
Synchronous alternator rated at 250 KVA, 415 volts at 1500 RPM, 3 phase 50 Hz, AC supply with 0.8 lagging power factor at 40 Degree C, 50% RH & at 1000 Meter MSL. The alternator shall be having SPDP enclosure, brushless, continuous duty, self – excited and self-regulated through AVR conforming to IS: 4722 / BS 2613 suitable for tropical conditions and with class H insulation.
(d) / Base Frame & Foundation :
Both the engine and alternator shall be mounted on suitable base frame made of MS channel with necessary reinforcement which shall be installed on suitable cement concrete foundation and vibration isolation arrangement as per recommendations of manufacturer.
(e) / Fuel Tank :
Daily service fuel tank of 520 liters capacity fabricated out of 3mm thick M.S. sheet complete with all standard accessories and fuel piping between fuel tank and diesel engine with M.S. class ‘C’ pipes of suitable dia. Complete with valves, level indications & accessories as required as per specifications.
(f) / Exhaust System :
Dry exhaust manifold with hospital exhaust silencer and catalytic convertor. / 2 Sets / Set / 19,20,000.00 / 3840000.00
(g) / Starting System :
24V DC starting system comprising of starter motors: voltage regulator and arrangement for initial excitation complete with suitable nos. of batteries (25 plates, 180 Amp. Hour capacity lead acid type) as required as per specifications.
(h) / Acoustic and weather proof enclosure with arrangement for fresh air intake for cooling of the engine & alternator, extraction, discharging hot air in to the atmosphere as per specifications.
2. / Fabrication, Installation, Testing & commissioning of automatic mains failure control including auto by-pass panel, suitable for 250 KVA silent type DG set complete with relays, timers, set of CTs for metering & protection and energy analyzer to indicate currents, phase and line voltages, frequency, power factor, KWH, KVARH & provision for overload, short circuit, restricted earth fault, under frequency, control cabling from AMF panel to diesel engine and elsewhere, if required, all complete and inter locking including the following : / 2 Sets / Set / 280000.00 / 560000.00
(a) / 500 Amp. Change Over Switch Unit – 1 No.
(b) / 3 pole, 500 Amps. Variable type M.C.C.B. (Breaking capacity 25 KA) 10 Nos
(c) / Al. Bus Bar of Suitable capacity—1Set
(d) / Indicating lamp (Neon Type) for On Load & Set Running – 1 set
(e) / Instrument fuses duly wired & feruled—1Set.
(f) / Relays & Protection as required.
(g) / Contactor of Suitable rating
3. / Supplying, Erecting / Installation, testing and commissioning of floor mounted cubical type LT Panel board suitable for 415 volts, 3 phase, 4- Wire, 50 Hz, AC supply system having front surface area 11m² (Appox.) fabricated in compartmentalized (preferably) design from CRCA M.S. sheet of 2mm thick for frame work and covers, 3mm thick for gland plates including cleaning & finishing complete with 7 tank process for powder coating in approved shade having 1000 Amps. Capacity extensible type TP&N Aluminium Alloy Bus Bar of high conductivity DMC / SMC Bus –Bar supports with withstand capacity 31 MVA for 1 Sec. bottom base channel of M.S. Section 100mm X 50mm X 5mm thick at the rear with 2 Nos. earth stud solid connection from main bus-bar to Switchgears with required size of al. bus-bar and control wiring with 2.5 sq. mm PVC insulated Copper conductor single core cable cable alley, cable gland plates in two half including providing following switchgears. / 1 Set / Set / 375000.00 / 375000.00
(a) / 500 Amps. 35 KA, 4 pole MCCB – 2 Nos.
(b) / 63 Amps. 35KA, 4 pole M.C.C.B. (Breaking capacity 25 KA) 26 Nos.
(c) / ON / OFF indicating lamp LED type- 28 Nos.
(d) / Phase indicating lamp LED type ( RYB)---1 Set
(e) / Voltmeter (0-500V) with selector switch – 1 No. (96mm x 96mm) )---1 Set
(h) / M.V. Danger notice plate – 1 No.
4 / Supplying and fixing exhaust gas piping of suitable dia. Welded black MS, B Class pipe confirming to IS:3589 cut to required lengths and installed with necessary bends, supports and clamps, anti-vibration mountings, insulation of exhaust system with mineral wool / Rock wool, 50 mm thick wiremesh & aluminum cladding etc. as required as per specification / 25 Mtrs. / Mtr. / 1750.00 / 43750.00
Sub-Head "B"
1 / Supplying of XLPE insulated aluminium conductor, armoured power cable of 1.1 KV grade of following size i/c testing etc. as required.
a) 4 X 25 sq. mm / 3840 Mtrs. / Mtr. / 200.00 / 768000.00
b) 3½ x 630sq.mm / 50 Mtrs. / Mtr. / 2750.00 / 137500.00
2 / Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1KV grade of size not exceeding 25 mm² direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc. as required / 800 Mtrs. / Mtr. / 115.00 / 92000.00
3 / Laying of one number additional PVC insulated and PVC sheathed / XLPE power cable of 1.1KV grade of size not exceeding 25 mm² direct in ground in the same trench in one tier horizontal formation including excavations, sand cushioning, protective covering and refilling the trench etc. as required / 1370 Mtrs. / Mtr. / 105.00 / 143850.00
4 / Laying of one number PVC insulated & PVC sheathed / XLPE power cable of 1.1 KV grade of size not exceeding 25 sq. mm in the existing RCC / HUME / STONE WARE / METAL pipe as required. / 740 Mtrs. / Mtr. / 25.00 / 18500.00
5 / Laying & fixing of one number PVC insulated & PVC sheathed / XLPE power cable of 1.1 KV grade of size not exceeding 25 sq. mm on surface as required. / 880 Mtrs. / Mtr. / 75.00 / 66000.00
6 / Laying of one number PVC insulated & PVC sheathed / XLPE power cable of 1.1 KV grade of size exceeding 25 sq. mm but not exceeding 630 sq. mm in the existing masonry open duct, as required. / 50 Mtrs. / Mtr. / 150.00 / 7500
7 / Supplying and making end termination with brass compression gland and aluminium lugs of following sizes of XLPE aluminium conductor cable of 1.1 KV grade as required.
a) 4 X 25 sq. mm / 48 Sets / Set / 100 / 48000.00
Sub-Head "C" Earthing
1 / Earthing with Copper Earth plate 600mm x 600mm x 3mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. (but without charcoal or coke and salt) complete as required. / 6 Sets / Set / 7500 / 450002 / Extra for using Charcoal / Coke and salt for Copper plate Earthing electrode as required. / 6 Sets / Set / 500 / 3000
3 / Providing & fixing earth bus of 50mm x 5mm Copper strip on surface for connection etc.as required. / 1 Mtrs. / Mtr. / 850 / 850
4 / Providing & fixing 25mm x 5mm G.I. / Copper strip in 40mm dia. G.I. Pipe from earth electrode as required. / 15 Mtrs. / Mtr. / 500 / 7500
5 / Providing & fixing 25mm x 5mm Copper strip on the surface / in recess for connection etc. as required. / 70Mtrs. / Mtr. / 350 / 24500
Sub-Head "D" Safety Equipment
1 / Supplying and fixing carbon dioxide C0² type fire extinguishers confirming to IS: 2878 (1976) and cylinders fully charged of 4·5 KG capacity. / 2 Nos. / Each / 7500 / 150002 / Supplying and fixing foam fire extinguishers portable type 9 lit. capacity hanged on wall with bracket complete as required. / 1 No. / Each / 2000 / 2000
3 / Supplying & fixing safety instruction chart in word duly framed with 5mm thick glass as required. (Approx. Front area 1.20 sq. Mtr.). / 1 No. / Each / 500 / 500
4 / Providing a set of 4 Nos. 9.5 Litre capacity GI bucket painted in post office red colour with prior coat of red-oxide paint and written with white paint "FIRE" and mounted on M.S. angle iron frame with bracket of appropriate size & capacity including filing sand etc. / 1 Set / Set / 1500 / 1500
5 / Supplying & fixing of first Aid Box as approved by St. John Ambulance Brigade / Indian Red Cross confirming to IS: 2217-1963. / 1 No. / Each / 500 / 500
6 / Supplying & fixing of shock treatment chart in Hindi & English duly framed with 5mm thick glass as required. (Approx. Front area 1.20 sq. Mtr.). / 1 No. / Each / 250 / 250
7 / Providing of Rubber Mat 1 Mtr. Wide and 12mm thick to withstand 15 KV dielectric strength as per I.S:5424-1969. / 10 Mtrs. / Mtr. / 1500 / 1500
Total / 61,72,500
Sd/-
Executive Engineer ( E),
Elect. Divn.7, DDA
ADDITIONAL SPECIFICATIONS AND CONDITIONS
1.1 / The contractor must get acquainted with the proposed site for the work and study specifications and conditions carefully before tendering. The work shall be executed in close coordination’s with civil work. and as per the directions of the engineer-in-charge. If the site or a part of it is not available for any reasons the programme of execution shall be modified accordingly and contractor shall have no claim for any extra or ‘ compensation on this account.