Construction of Boundary wall at Safdarjung Airport. SH-Electrical Works.

Amount

SH-I: Electrical Works

A: SITC OF TROLLEY GATES, PANELS, CABLE SUPPLY & LAYING:

Design, fabrication, supply, installation ,testing and commissioning of Centrally/ Symetrical/ asymetrical bi-parting opening Sliding type M.S.Trolly Gate by carrying out following fabrication works complete as required. The scope also includes supply of all material required. The M.S material used shall be as per respective IS codes, ISI marked and as per the preffered makes. The gate shall consist of 2 leaves, one leave at each side with clear opening of 57 Meters with height 2.90 mtrs from finished floor level (height includes height of wheels, gate frame and concertina wire (not exceeding 450 mm) above gate frame). The Horizontal Base Frame shall be made of MS Pipe section of Size 200mm x 100mm x 5mm thick & Vertical frames shall be made of MS Pipe section of size 100 mm x 100 mm x 3.5 mm thick with side supports of suitable size MS Pipe section of size 100 mm x 100 mm x 3.5 mm thick and on top for concertina Wire, Weld mesh panels made of Galvanzed MS wire to be provided (Mesh wire - Diameter 4.0mm, Tensile Strength of minimum 550 N/sq.mm, Wire specification as per IS 280 & Wire Galavnising as per IS 4826) having mesh size 76.2mm X 12.7mm (WxH, +/- 2mm). The average weld sher strength of 4 welds taken in random not less than 50% of breaking stength of the smallest wire. Suitable shock absorption system to be included at end post. The gate shall be provided with suitable wheels for less noise operation. The bearings used shall be of reputed make or as recommended by the OEM. The overall dia of wheels shall not exceed 200 mm dia. Painting of gate with approved color & make of synthetic enamel paint by applying 2 coats and one coat of red oxide Primer complete as required. [NOTE:- The successfull bidder has to submit the detailed drawing of structure, it's tentative weight, proposed type of opening, it's length depending upon available site cleareaness and only after approval from AAI will start the fabrication.]

67 Meters (57 -Clear Opening + 10 Mtr -Setback)

Providing & Fixing round bar of size 40 mm dia in MS U channel of size 100mm X 50mm X 5 mm complete as required suitable for item no. 1 as required in the existing Taxiway/ concrete base etc complete as required.

Supply, installation testing and commissioning of PLC based Motarized automation system suitable for operation of sliding gate having approx weight upto 10000 kg (of one leaf). The drive shall be suitable for operation on single phase / 3 phase power supply system (230/415 + -10 % volts) and suitable to drive the required load smoothly complete as required. Foundation/ Frame work for installation of motor , starter panel with safety devices / Relays is also included in the scope. Two no. LED based flash light shall be installed over the gate. Radium reflector to be provided in each gate written as "STOP" with suitable nos ( not less than 4 nos) and Sizes of font not less than 150mm ,complete as required.

Supply, installation, testing and commissioning of dust and vermin proof outdoor type Double door pedestal mounted distribution feeder piller having IP 55 protection of suitable size on cement concrete foundation fabricated with 2mm thick CRCA sheet with hinged double door having locking arrangement, including painting (with powder coating), supply and fixing of following switch gear, interconnections, earthing etc., complete as required. INCOMING 250A, FP, MCCB, 35/36 KA (Ics = 100%Icu) with thermal release - 02 nos. OUTGOING: a) 160 A, FP, MCCB, 35/36 KA (Ics = 100%Icu) with thermal release-02 nos. b) 63 A, FP, MCCB, 35/36 KA (Ics = 100%Icu) with thermal release -02 nos. Bus Bar- 250 A Al. TPN Busbar - 01 Set. 5 - LED type R, Y & B Indicating Lamps with protection fuses for incomer - 1 Sets. 6 - Digital Multi Function Meter (MFM) Flush mounted for monitoring- 01 No.

Supply, installation, testing & commissioning of dust and vermin proof outdoor type Double door, floor mounted, Compartemetallised, cubical type panel board, fabricated out of 2 mm thick cold rold sheet steel, free standing & totally enclosed, weather proof / dust proff/ vermin proof with bottom cable entries & cable alleys. The board shall be suitable for operation 3 Phase, 4 Wire, 50 Hz, A.C Supply and with busbars and following switchgear, instrumentation, protective devices and complete with connections, interconnections, earthing, painting (powder coated) and marking etc. completed as required . 1 -INCOMING: 160 A, FP, MCCB, 35/36 KA (Ics = 100%Icu) with thermal release -01 no. 2 -OUTGOING: 63 A, FP, MCCB, 25 KA (Ics = 100%Icu) with thermal release -05 nos. 3- Local operation- gate shall be operated from said panel locally ( for open,close & stop command) with all possible logic for operation of 02 Nos. of working and 02 Nos. of Stand By Motors. 4-Remote Operation- Suitable provision shall be made in the panel for remote operation of the gates upto the distance of 500 Mtrs 5 - Bus Bar- 160 A Al. TPN Busbar -01 Set. 6- LED type R, Y & B Indicating Lamps with protection fuses for incomer -1 Set. 7 - Digital Multi Function Meter (MFM) Flush mounted for monitoring- 01 No

Supply of following sizes of aluminium conductor XLPE insulated and PVC sheathed armoured cable conforming to IS 7098 (Part-I) 1988 with up to date amendments.

3.5C x 50 sq.mm

Supply of XLPE insulated PVC sheathed copper conductor armoured power cable of 1.1KV grade confirming to IS 7098, Part-I, 1988 with up to date amendments of following size.

6C x 6sqmm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL/HDPE pipe as required.

Upto 35 sqmm

Above 35 sq. mm and upto 95 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required.

Upto 35 sq. mm

Above 35 sq. mm and upto 95 sq. mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required.

Upto 35 sq. mm (clamped with 1mm MS flat clamp)

Above 35 sq. mm and upto 95 sq. mm (clamped with 25x3mm MS flat clamp)

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

3½ X 50 sq. mm (35mm)

Supply & Laying of 63 mm dia (PE-80 & PN-6) HDPE pipe as per IS 4984 through trenchless technology by drilling the bore of suitable dia directly in ground upto the depth of 3 meters from the ground level including necessary joining, coupling, splicing etc complete as required.

Supply & Laying of 110 mm dia (PE-80 & PN-8) HDPE pipe as per IS 4984 through trenchless technology by drilling the bore of suitable dia directly in ground upto the depth of 3 meters from the ground level including necessary joining, coupling, splicing etc complete as required.

Providing, laying and fixing 100 mm dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching (75 cm deep)and re-filling etc as required.

Earthing with G.I pipe 4.5mm long x40 mm dia including accessoires, and providing masonary enclosure with cover plate having locking arrangement and watering pipe etc.(with charcoal or coke and salt )complete as required.

Providing and laying earth connection from earth electrode with 6 SWG dia G.I. Wire in 15 mm dia G.I. pipe from earth electrode including connection with G.I. thimble excavation and re-filling as required.

Providing and laying 6 SWG dia G.I. Wire on surface or in recess for loop earthing as required.

B: AICMC of Sliding M.S. Trolly Gate

All inclusive Comprehensive maintenace & operation of the entire trolly gate system includes gates, automation system with drives, electrical panels, wheels, bearings, chain sprouket / gear system, bottom track as provided under the main contract including trouble shooting, preventive maintenance and break down maintenance as required as per good engineering practice, recommendation of the original equipment manufacturer, instructions of Engineer-in-Charge & as per terms and conditions specified in special conditions of contract. Oiling, greasing & replacement of wornout/ defective part (if required) and painting of trolley gate on yearly basis is also included in the scope of agency.

For First year after defect liability period of 2 years @5% of Item no. 5 to 7 of SH-I

For Second year @5.25% of Item no. 5 to 7 of SH-I

For Third year @5.51% of Item no. 5 to 7 of SH-I

For Forth year @5.78% of Item no. 5 to 7 of SH-I

For Fifth year @6.07% of Item no. 5 to 7 of SH-I

SH-II: Civil Works

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. a) All kinds of soil.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : a) 1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form for a) Foundations, footings, bases of columns, etc. for mass concrete

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. a) Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level a) Concrete of M25 grade with minimum cement content of 330 kg /cum

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: a) Cement mortar 1:6 (1 cement : 6 coarse sand)

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. a) Nominal concrete 1:3:6 or richer mix (including equivalent design mix)

Dismantling of flexible pavement (bituminous courses) by mechanical means and disposal of dismantled material up to a lead of 1 kilometre, as per direction of Engineer-in-charge.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Providing and applying tack coat using hot straight run bitumen of grade VG - 10, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications : a) On bituminous surface @ 0.50 Kg / sqm

Providing and laying Dense Graded Bituminous Macadam using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers as per specifications to achieve the desired compaction and density, complete as per specificatons and directions of Engineer-in-Charge. a) 50 to 100 mm average compacted thickness with bitumen of grade VG-30 @ 5% (percentage by weight of total mix) and lime filler @ 2% (percentage by weight of Aggregate) prepared in Drum Type Hot Mix Plant of 60-90 TPH capacity.

Bidder Name

Amount in Words

Godrej and Boyce Manufacturing Company Limited