TECHNICAL SPECIFICATION FOR HIGH MAST LIGHTING SYSTEM, 20 MTRS HEIGHT

Transcription

1 TECHNICAL SPECIFICATION FOR HIGH MAST LIGHTING SYSTEM, 20 MTRS HEIGHT Annexure A Sl.No. Description 1 Scope: The scope cover the design, manufacturing, supply and delivery at GCF Jabalpur on FOR basis and Erection and Commissioning of High mast lighting, 20 Mtrs. height shaft with single dip hot galvanized, lantern carriage, double drum internal winch motor, trailing steel wire rope, control panel, head frame along with 12 Nos. of 2x400 watts Metal Halide flood light fitting complete with MH T lamps 400Watts along with aviation light on top of the high mast as per detailed technical sheet given in Annexure B. Acceptable Make of High Mast : Bajaj / GE / Philips / Transrail Lighting only. 2 Erection & Commissioning: The supplier must do the Erection, Commissioning of all the supplied High mast Lighting systems at different location at GCF Estate ( Site will be earmarked by GCF authority) by constructing of shallow foundation with M15 grade concrete considering the safe soil bearing capacity at site as 10T/sqmtr at 2 Mtrs depth with all materials and labours, including installation of mast feeder pillar by grouting stand on the concrete with all material and labours 3 To complete the Erection and commissioning the following materials, works will also be required to execute by the supplier. Supplier has to quote separately. 3.1 Supply, Laying and connection of XLPE insulated, underground, galvanized steel wire / tape armoured, aluminium conductor cable, 1100V grade, stranded conductor, over all PVC insulated &sheathed, 4 core, 16 sq.mm in size. Make of cable: Havells / Gloster/ Polycab / Universal / Paragan / CCI. Qty. Reqd. 7 Nos. 7 Nos. 600 RM Rate / Each In Rs Total In Rs

2 3.2 Excavation of trench in soft soil, 0.75Mtr in depth and 0.30 mtr. in width for laying of 135CM above Underground cable. 3.3 Cutting opening in cement concrete wall (any description) track for inserting / laying of 2.7CM pipe/cable in size 30mtrx0.3mtrx0.3mtr 3.4 Spreading of river sand in trench, 0.3 M in 36CM width and 02.M in depth(0.1 M below & 0.1M above the cable) for cable protection including material & Labour. 3.5 Laying of brick, subclass B over the cable in 12CM trench to protect the cable protection including material & Labour. 3.6 Returning & refilling of the excavated soil in trench including spreading, watering and well 81CM ramming in layer 3.7 Cement concrete type B 1:2:4 mm grade aggregated in foundation and mass concrete in wall / floor or track any thickness size as 6CM required including plasters as directed including material & labour 3.8 Supplying & Fixing of GI pipe medium grade 50mm dia. Laid in ground / fitted in wall or 100RM under the road with all fixing accessories 3.9 Boring for bored cast in situ piles of dia. 200 mm dia., in soil, getting out and disposal of soil 30 RM using DMC method 3.10 Making of Earthing complete with Galvanized steel pipe electrode 40mm dia. Bore medium grade 2.5 mtr in length buried directly in ground with top edge not less than 1.25mtr below ground level, connected with earthing 14 Nos. lead of 4.00 mm dia GI wire all in shown in plate no 4 of SSR to be connected with earth test point all as specified in MES SSR specification including making of pit chamber, chamber cover and testing protection including material & Labour. ER value should not more than 2.0 ohms. Encl: Annexure B Detailed technical data sheet for High mast System

3 Annexure-B DETAILED TECHNICAL DATA SHEET FOR 20 MTRS. HIGH MAST SYSTEM High Mast Structure Height of Mast : 20Mtrs Material construction : S355 Grade as per BS-EN Thickness in mm : Top 3mm; Bottom 4mm Cross section of mast in Polygon( No. of sides) : 20 sides (min) No. of section and : In Two sections, Botom-10.88Mtr(app) Length of individual section Top-9.42Mtrs(app) Base and Top diameter : Top Dia. 150mm(Min) Bottom Dia. 460m(Min) Type of Joints : Stress fit side joints Length of overlap : 0.40 to 0.5Mtrs Metal protection treatment : HOT DIP GALVANIZED THROUGH Thickness of Galvanization : 65 micron(min) as per IS EN ISO1461 Base opening and door size : 1200mm x 250mm Type of blocking arrangement And door panel : Double internal Details of slack board inside : PVC board 200mm x 500mm x 8mm The base compartment Terminal box power control : Sheet metal box of suitable size in 2mmThick to accommodate required MCBs. Thickness of base plate : 25mm Size of anchor plate & Thickness : Uniform pitch circle dia. Of 590mm Details of Template : Uniform pitch circle dia. 590mm Weight of mast in Kgs : 550Kgs (min) (without accessories) Lighting protection finial : G.I.single spike of length 1200mm Make of Mast : BAJAJ / GE POWER / PHILIPS / TRANSRAIL LIGHTING (TEST TO BE CARRIED OUT AT OEM END / FACTORY) Dynamic Loading as per Prevailing at Site: Max. wind speed : 44 m/s as per IS 875 Part III Max. gust speed time : 3 seconds Height above ground level (These : 10 Mtrs. above two levels are measured) Factor of Safety for wind load : 1.25 Factor of Safety for other load : 1.15 ( as per TR No. 7)

4 Foundation Details Type of foundation : Open Raft Shallow Footing size of foundation : As per Manufacturer s design Designed Load Bearing capacity : 10 T per sq. m at 2 Mtrs depth Design safety Factor : As per IS :456 Considered Wind pressure ( Kg./Sq. mm) : As per IS : Considered Wind speed ( KM. /hrs.) : As per IS : Depth of foundation : Max. 1.5 M below Ground Level Average Soil bearing capacity : As per site requirement Number of foundation bolts : 8 Nos. PCD of foundation bolts : 590 mm Type of foundation bolts : TS600/30 mm dia/850 mm Bolt diameter : 30mm LANTERN CARRIAGE Material of construction : 50 NB ERW class B -MS Pipe Diameter of carriage ring (mm) : 710mm (ID)(Min) Construction : To suit Lighting Design No. of joints : Two Nos. Buffer arrangement between carriage & Mast : PVC sleeve on carriage Load carrying capacity : 500 Kg. Total weight of assembly with fitting : As per nos. of Luminaries No. of Fittings : 12 Nos. of 2x400W MH fittings WINCH Make of winch : GE power/ Bajaj / Transrail Lighting Number of drums / winch : Double drum type Gear ratio : 53 : 1 Capacity : 500 Kg Method of operation : Integral Motor Lubrication arrangement : Permanent oil bath Type of Lubricant : SAE 140/SAE 90 Tested load per drum : 1500 Kg. for winch

5 STAIN LESS STEEL WIRE ROPE Make : B. W. Ltd.,/ SAFE LIFT ENGG Grade : AISI 316 Number of ropes : Two continuous Construction : 7/ 19 Center core material : Stainless steel core Diameter(mm) : 6 mm Thimble & Talurit : SS Thimble Breaking load capacity : Min 2400 Kg. x 2 Safety factor : >5 for system at full load (Test report shall be produced) CABLE Type : Trailing cable Material : Copper Conductor EPR insulated PCP sheathed No. of core : 5 core, 4.0 sq. mm No. of circuit per Mast : One Current carrying capacity : 30 Amps POWER TOOLS Model : Integral / Gear Motor Input supply : 3 phase, 415 +/- 10 % volts, 50 Hz, AC Wattage / Hp : Min. 1HP & above if required Number of speed : 6 pole, single speed, 410 RPM Operating Speed : 2 M / minute Remote control switch PB station : Pendent Switch Make : GE power / Crompton / Kirloskar TORQUE LIMITOR Lifting capacity : Up 750 Kg Adjustable / Non Adjustable : Adjustable Tripping device : Mechanical (Test report shall be produced)

6 LUMINARIES & CONTROL Type : Non Integral, Outdoor purpose, Aluminium die cast, weather proof, Metal Halide fitting, 2 x 400 watts along with all its control gear, PF improvement capacitor etc. with MH lamp, Tubular(T) type single ended E-40 lamp Holder Quantity : 12 Nos Make : PHILIPS / GE POWER / BAJAJ / CROMPTON GREAVES / WIPRO are only acceptable. (Test report shall be produced) Control system : shall be controlled through a programmable timer for 24 hrs. with suitable MCBs, contractors and cables. EARTHING & LIGHTNING PROTECTION Earthing No. of connection Lightning protection Finial length : Suitable size earth termination shall be provided to connect with the proposed earth pit. : Two : Shall be incorporated and the final shall be fitted in the top of the Mast and shall be connected to the proposed earth. : 1200 mm AVIATION LIGHTING Aviation light : One set of Aviation caution light shall be provided in the top of the Mast with required cabling. General The Mast, Foundation and electrical drawing should be approved before commencement of work All safety measures shall be adopted while execute ( E & C) the work GUARANTY & WARRANTY One year GUARANTY & WARRANTY certificate shall be provided by the Manufacturer of Mast and free service for first year shall be provided as when required for attending the breakdown in the system / winch etc After guaranty period service support shall be rendered by the Manufacturer of high mast..