Provision of 30.5 Mtr. Flag Mast for NITB and other miscellaneous works at VSI Airport, Port Blair

Amount

Design,Supply, Installation, Testing and Commissioning of 30.5M height 20 sided polygon flag mast in three sections, hot dip galvanized and suitable to withstand 248 KMPH wind velocity and as per IS 875 along with Special Type Dome with the help of suitable equipments along with assembly of operating system and Flag. The shaft shall be PU painted with a coating of each primer and PU paint. The work consists of 1.Supply of foundation bolts manufactured from special steel along with nuts, washers, anchor plates and templates. 2. Providing system for raising and lowering of Flag. It shall have double drum winch, 6 mm dia stainless steel wire rope and integral power tool motor for raising and lowering of Flag, including Supply & installation of one National Flag of size 20 ftX30 ft. in 100 % knitted polyester (140 gsm), with reinforced super strong nylon webbing on all 3 sides and rope/toggle sleeve suitable for fixing on 30.5 meter flag mast as per site condition. 3. SITC of 2 Nos of LED type Aviation Obstruction light including supply and laying 3C x 2.5 Sq.mm size copper armoured cable from mast base to fitting. 4.Provision of lightning finial. 5.Construction of design based cement concret foundation with M30 grade concrete & Fe-500 grade reinforcement for the flagmast considering the safe soil bearing capacity at site as 10 T/sqmtr at 2 metre depth with all materials and labour and soil investigation.

Supply of National Flag of size 20 ftX30 ft. in 100 % knitted polyester (140 gsm), with reinforced super strong nylon webbing on all 3 sides and rope/toggle sleeve suitable for fixing on 30.5 meter flag mast as per site condition.

Design,Supply & erection of 5Mtr high hot dip galvanised octagonal pole suitable to mount one no. LED flood light fitting at top along with foundation bolts manufactured from special steel, nuts, washers etc. including supply and fixing of one number 350W LED floodlight luminaries including supply and laying 3 core X 2.5 sq mm copper power cable from Connector inside pole to luminaire , providing connections etc. as required including foundation. (Fitting model Bajaj BNEP 20FL 350 W LED or equivalent)

SITC of 3 KVA online UPS system of following capacity with 230 V, 50 Hz, single phase input and 230 V, 50 Hz, single phase output along with SMF batteries to provide 30 minutes back up time,cabling b/w UPS & Battery, DC 2POLE Breaker for battery protection etc as per specifications and as required.

Supply of 350 W ±5% energy efficient Flood Light LED luminaire with minimum system lumen output of 35000 lm, PF>0.95, CRI>70, CCT - 5700K ± 500K, IP 66 protected, die-cast aluminium housing with heat resistant diffuser and MS powder coated bracket suitable to operate on 240 V, 50 Hz AC complete as required suitable for Apron High Mast.

Supplyof 18 watt low intensity twin type aviation obstrution lamp conforming to ICAO standards suitable to for 230 VAC +/- 15% with super bright red LED approximate 300 nos per lamp etc, as required suitable for Apron High Mast. Ip rating shall be IP 65 as per IS 12947 of model GLN 704 in Crompton or similar in other approved makes.

Design,Supply, installation, testing & commissioning of totally enclosed double door cubical type top sloped outdoor LT Feeder Pillar suitable for 415 V, 3 Phase, 4 Wire 50 Hz AC supply system conforming & tested design as per IEC 61439-1 & 2/IS 7098 & with IP-54 protection. (ii) The Feeder Pillar shall be compartmentalized type having space and arrangement for incoming & outgoing: cable , switchgear, insulated and properly supported TPN bus bars, DMC/ SMC supports, joint shrouds, cable alleys, support and terminations/connectors, inter-connection between bus bars and switchgear with required size auxiliary bus bars/ insulated conductors/ flexible strips,metering instruments and allied accessories etc. and control wiring with 2.5 Sq.mm. FRLS PVC insulated copper conductor cable (iii) The Feeder Pillar shall be fabricated out of CRCA sheet not less than 2.0 mm thick for load bearing members and 1.6 mm for doors & 3 mm thick for gland plates, it shall have double door and inbuilt locking arrangement. The framework may be MS Angle Iron/ Channel/ Bolted type construction. The feeder pillar has to be supplied with suitable pedastal (600MM Height,300MM from foundation level)MS angle iron frame of MS channel base for grouting in the PCC including all civil works like excavation, PCC, brick work pedestal, plastering, refilling etc.The bottom base channel shall be of MS section of minimum 100 mm x 50 mm x 5 mm thick, i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade.The operating handle of the highest unit shall be at a height not more than 1.7 mt. Overall height of the board shall not exceed 2.3 metre. The Feeder Pillar shall have TPN aluminium alloy bus bars of high conductivity with continuous current carrying capacity of maximum 130A/ sq.cm, DMC/ SMC bus bar supports, with short circuit withstand capacity of 50KA for 1 Sec The entire panel shall have a common copper earth bar of size 20 mm x 3 mm at the rear with 2 Nos. earth stud, and control wiring with 2.5 sq. mm. PVC insulated copper conductor S/C cable, cable alleys, cable gland plates in two half, i/c providing following switch gears, metering Two Incomers with mechanical interlocking Two Incomers each with 250A, 36 KA, Four Pole MCCB (Ics=Icu) with inbuilt Overcurrent, Short circuit & Earth fault Protection with variable current & time delay setting, Instantaneous protection, with Microprocessor Based Releases and provided with separate suitable rated Cast Resin CTs of Class I accuracy of required burden and Digital Multifunction Meter of Class 1.0, LED Phase Indication Lamps, ON/OFF/TRIP LED indication lamp alongwith 2 Amps control MCBs as backup protection,panel mounted rotary handle,Spreader Terminals etc. as required. BuscouplerOne Nos. 250A, 36 KA, Four Pole MCCB (Ics=Icu) with inbuilt Overcurrent, Short circuit & Earth fault Protection with variable current & time delay setting, Instantaneous protection, with Microprocessor Based Releases,panel mounted rotary handle,Spreader Terminals etc. as required. Busbar: One Set of FP Aluminium Bus Bars of minimum of 400 A Capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bar cross section supports & their spacing etc. for meeting fault level of 50 KA for 1 Sec with adequate size aluminium busbar for interconnection of incomer and outgoing switchgears and 20x3mm coper earth strip etc, as required. Outgoing:- 160 A, 36 KA, Four Pole MCCB (Ics=Icu) - Two Nos. 100 A, 25 KA, Four Pole MCCB (Ics=Icu) - Two Nos. 63 A, 25 KA, Four Pole MCCB (Ics=Icu) - four Nos. above MCCB's with inbuilt Overcurrent, Short circuit & Earth fault Protection with variable current & time delay setting, Instantaneous protection, with microprocessor based release and provided with suitable rating Class I Cast Resin CTs with Class 1.0 digital Multifunction Meter, ON/OFF/TRIP LED indication lamp along with control MCBs as per Strandard practice etc. as required.

Supply of aluminium conductor XLPE insulated, PVC sheathed, armoured power cable of 1.1 KV grade conforming to IS-7098 Part 1(1988) amended up to date.

3.5 Core x 300 sqmm

4 Core X 16 Sq mm

Supply of copper conductor XLPE insulated, PVC sheathed, armoured power cable of 1.1 KV grade conforming to IS-7098 Part 1(1988) amended up to date.

4 Core X 2.5 Sq mm

Supplying and laying of nominal dia in mm 63 OD/ 50 ID, ISI certified (IS 14930 Part 2 amended up to date) HDPE DWC pipe complete with all accessories 75 cm below ground level including excavation and refilling complete as required

Supplying and laying of nominal dia 160 mm wall thickness (17.8 to 19.7), ISI certified (IS 4984) HDPE pipe complete with all accessories 75 cm below ground level including excavation and refilling complete as required

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/trays etc. as required.

Above 185 sq. mm and upto 400 sq. mm (clamped with 40x3mm MS flat clamp)

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/DWC pipe as required.

Upto 35 sq. mm

Above 185 sq. mm and upto 400 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 and refilling the trench etc as required, but excluding sand cushioning and protective covering.

Upto 35 sq. mm

Above 185 sq. mm and upto 400 sq. mm

Supplying and making end termination with brass double 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.

3.5 Core x 300 sqmm

4 Core X 16 Sq mm

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having watering pipe etc. with charcoal/ coke and salt as required

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground /on surface or in recess as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required including excavation and refilling

Providing and laying 6 SWG dia G.I. Wire at 0.50 metre below ground/in existing pipe/surface/recess etc for earth connection from earth electrode/looping & making end termination using lugs etc as required.including excavation and refilling

Constructing masonry chamber 60x60x60cm inside with hollow concrete blocks in cement mortar 1:5 (1 cement : 5 fine sand) for cable crossing with RCC top slab (100mm thick) 1:2:4 mix (1cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size), necessary excavation,foundation concrete 1:5:10 mix (1 cement : 5 fine sand:10 grades stone aggregate 40mm nominal size), and inside plastering with cement mortar 1:3 (1cement : 3 coarse sand), 12mm thick finished with a floating coat of neat cement complete as per standard design.

Supplying and making straight through joint with cast resin compound including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required 3½ X 300 sq. mm

SITC of IP 65, polycarbonate distribution board with hinged transparent lids for 415 V, 3 Phase, 4 Wire 50 Hz AC supply system as per IEC 61439-2 with installation of 50x6mm Aluminium busbars(RYBN) with minimum spacing of 26mm b/w Phase to body/earth & 32mm b/w Phase to phase on DMC/ SMC supports mounted on DIN rails/ mounting plates. Installation depths extendable by using lids of different heights or extension frames; Flange with cable arrangement space knockouts with fixing wedges and seal as required for termination of two 3½ X 300 sq. mm cable distribution board shall be mounted on MS angle iron frame of MS channel base of minimum 75 mm x 50 mm x 5 mm thick for grouting in the PCC including all civil works like excavation, PCC, brick work pedestal, plastering, refilling etc.Top bus bar shall be at a height of 1.7 mt. from foundation. Make: Hensel Mi or Equivalent

Providing and fixing 250A, 50 KA, Four Pole MCCB (Ics=Icu) with inbuilt Overcurrent, Short circuit & Earth fault Protection with variable current & time delay setting, Instantaneous protection, with Microprocessor Based Releases,panel mounted rotary handle,Spreader Terminals in existing cubicle panel board including drilling holes/ cutting cubicle panel,arranging & fixing Al auxilliary bus bars RYBN (Rating 1.5 times the MCCB rating)for connecting MCCB, making connections,retrofitting with suitable rating Class I Cast Resin CTs with Class 1.0 digital Multifunction Meter, ON/OFF/TRIP LED indication lamp along with control MCBs as per Strandard practice, control wiring with 2.5 sqmm copper wiring etc. as required.

SAHA COMMERCIAL CONSTRUCTION

jaydeep agency corporation

SHREE GOURI ELECTRIC ENTERPRISE