Special Repair Upgradation of Olympian Surjit Singh Hockey Stadium Burlton Park Jalandhar Punjab Providing 35 mtr High Mast Poles 4 Nos

Providing 35 mtr High Mast

SITC oF of Stadium High Mast (High Mast should be manufactured as per ILE- TR-7) system suitable for mounting minimum 40 nos. 1550-1600 watt LED FloodLights luminaries as required upto minimum 1200kg load assymmetrical distribution with design life of 25 years as per illumination design /weight on a Fixed head frame. Height of Mast 35Mtr with head frame , Suitable for Wind speed min min 47m/s or 169 Km/Hr.as per IS- 875 (Part-III) ( Type tested from IIT-Wind Tunnel Tested) , should comply seismic zone -4 calculation as per IS 1893( PART-1) 2025 latest ammended upto date , The high mast and head frame shall be structurally suitable to accommodate 20% additional luminaries (as of required lux level design) for future expansion for the requisite flood lights asymmetrical Distribution.

Welding:- All welding shall be undertaken and performed as per WPS/PQR in accordance with BS5135 or AWSD 1.1 Only low hydrogen grade sub arc wire and flame shall be used for welding (under submerged arc) welding. (Only longitude welding is allowed) No Welding shall be allowed on any of the mast section including base plate after hot dip galvanizing.

Structure/material /Head frame:-The High Mast should be in Four sections ( design calculations of structural stability shall be provided before installation at site) as per hot rolled MS coil equivalent to BS EN 10025:2019, Gr. S355JR /IS 2062 :2011, Gr E250 A /equivalent , it including Fixed Head Frame shaft with 15-25 degree Angle shall be hot dip galvanized with in single dip at a time (No double dipping). The bottom section of the mast shall be galvanized along with the base plate in single dip after welding. The galvanizing shall be carried out as per the IS 4759:1996 / IS 2629: 1985 / BS EN ISO 1461/BS 729 /Equivalent . Thickness of the galvanizing shall be 80 microns minimum. Continuously tapered 20 sided polygonal with no circumference weld on shaft.The high mast sections and head frame should be manufactured with best steel grade having MPA 450 N/MM , the manufacturer of high mast in compliance with ASTM-A572/S355 JR Grade 50 with yield strength not less than 450 MPA.Anchor bolts Grade : IS 1367 , EN8 / 5.6 OR equivalent , with Anchor Plate & template as per approved GA drawing & Structural Calculations of Mast. and as per IS 2062:2011 Gr E250 A including lighting protection GI single spike of suitable lenght/ equivalent , Telescopic slip joints (stress fit), Winch system min 1200 kg capacity has to be the same name of OEM of the High mast. The soil bearing capacity is 10T/m² 2.5 mtr. below GL and density of soil 1.44T/m3

Length of overlap at each joint:-1.75xdiameter at the point of penetration.

FOUNDATION:- IT Including casting of suitable open raft type shallow foundation with M-25 cement concrete and steel reinforcement for 35 Mtr. High mast. The complete foundation design and calculations along with drawings for rag bolts, anchor plate, base plate etc. after testing the load bearing capacity of the soil for each high mast location shall be submitted by the firm before laying the foundations. . The Cost of Soil testing will be in contractor Scope.The rate includes excavation, filling with M-25 cement concrete including disposal of waste material complete in all respect finishing to the satisfaction of Engineer-in charge.

Feeder Pillar:- it includes Feeder Pillar Panel made up of MS Sheet duly powder coated double door to ensure IP54 degree of protection with Locking facility having incomer of 125 Amp MCCB 25kA and 5 numbers SP MCB outgoings with copper wiring and aluminium bus bar complete with all respect.

Aviation Light:- it includes single dome aviation obstruction lights with LED lamps and complete with all accessories. The fitting shall be installed on top of head frame complete in all respects as approved and desired by Engineer in charge at site. Fixed Head Frame with maintenance ladder and platform: Material of Construction:- 40/50 NB ERW Class B - M.S Pipe/ ICMC channel CONTROL CABLE: Cable for supply:- Copper Conductor, 6.0 sq mm 5 core maximum Insulation/sheathed:- EPR Insulated & PCP sheathed No of cables/circuits per mast:- 1 No (3phase) flexible type multicore STAINLESS STEEL WIRE ROPE Grade/ construction:- ASIS 316, 7/19, SS 316, 7/19 construction tested from IIT/NABL accredited lab Number of Ropes:- 3 Nos Diameter of Rope (mm): 8 mm dia Breaking load capacity of rope:- Minimum 3250 Kg per SS wire rope.

SITC of Man rider Unit Made up of Steel Frame with Special Designed winch with Safety Rope Feature and Power Tool with Auto/Manual Operation with Safe Load Capacity of 300KG with lifting Speed max. 4m/minute & mass of Cage 300kg max. The Manrider unit must have Security lock & overload protection switch. The Lift must decend if there is no power and magnetic brake would be applied immediately. There is no motor or winch shall be placed inside of the Mast. The Manrider system shall be independent unit with inbuilt Winch & Motor. Manrider must have anti fall arresting system with independent safety wire rope of min 8mm & Lifting Wire Rope 6mm as per IS 2266. The breaking System comes into operation immediately when the wire rope failure. It must decend manual even when there is no power for the safety of workman.The safety lock must be Trigger on sudden increase of decending speed complete in all respects as approved and desired by Engineer in charge at site.

Dismentalling of existing 25 mtr highmast pole including its luminaries, wiring (should be carefully so that material could be reused at other place) with the help of hydra, dismentalling RCC foundation, disposal of malwa, shifting of highmast pole and luminaries in the custody at the safe place as desired by concerned department complete in all respect and as desired by engineer-in-charge.