tender for supply and erection of gi octagonal poles and led street lights from tribhuwan vijay jain trith to jat dharmashala rto office , laying and jointing pvc pipe. heading , supply and erection of galvanized iron pole with galvanizing done in single dipping (average coating thickness minimum 65 microns) continuously tapered poles having octagonal / circular cross-sections designed to withstand the maximum wind speed as per is 875, the pole shaft shall be made from sheet steel (ht steel conforming to grade s355jo) and confirming to bsen 10025 and shall be continuously tapered with single longitudinal welding. there shall not be any circumferential welding. the welding of pole shaft shall be done by submerged annual rate contract welding (saw) process. pole shafts shall be provided with the rigid flange plate of suitable thickness (fe 410 conforming to is 226 / is 2062) with provision for fixing 4 no. foundation bolts, this base plate shall be fillet welded to the pole shaft at two locations i.e. from inside and outside.the octagonal poles shall have lockable door of approximate 500 mm length at the elevation of 500 mm from the base plate with bakelite sheet having 6a sp mcb and 16 sqmm stud type connector ( 4 nos) inside the pole at door opening for cable connection of following length and dimension as per table p-01 with base plate and foundation bolt on the existing cement concrete foundation.all as per pre approved by engineer in-charge. poles with octagonal cross section. 8 mtr.charges etc complete , supply and erection of galvanized iron pole with galvanizing done in single dipping (average coating thickness minimum 65 microns) continuously tapered poles having octagonal / circular cross-sections designed to withstand the maximum wind speed as per is 875, the pole shaft shall be made from sheet steel (ht steel conforming to grade s355jo) and confirming to bsen 10025 and shall be continuously tapered with single longitudinal welding. there shall not be any circumferential welding. the welding of pole shaft shall be done by submerged annual rate contract welding (saw) process. pole shafts shall be provided with the rigid flange plate of suitable thickness (fe 410 conforming to is 226 / is 2062) with provision for fixing 4 no. foundation bolts, this base plate shall be fillet welded to the pole shaft at two locations i.e. from inside and outside.the octagonal poles shall have lockable door of approximate 500 mm length at the elevation of 500 mm from the base plate with bakelite sheet having 6a sp mcb and 16 sqmm stud type connector ( 4 nos) inside the pole at door opening for cable connection of following length and dimension as per table p-01 with base plate and foundation bolt on the existing cement concrete foundation.all as per pre approved by engineer in-charge. poles with octagonal cross section. 7 mtr. , supply and fixing of pole oem fabricated hot dipped galvanised m.s. overhang (48.3 x 3.25 mm) with cap (400 x 88.9 / 114.3 x 3.25 mm) over the existing poles. all as per pre approved by engineer in-charge. single arm overhang , providing & laying p.v.c. / xlpe insulated & p.v.c. sheathed arrmoured aluminium cable confirming to is:1554 p-i / is :7098 p - i of 1.1 kv with h4- grade electrolytic aluminium conductor confirming to is 8130 of purity 99.6 %, round / flat strip armouring of cables, inner / outer sheath confirming to is:5831 in existing reinforced cement concrete / hume / stoneware / pvc pipe/ open duct/cable trench / cable tray(with cable tie) including testing etc. as required of following size. for additional technical parameters of product / work refer annexure a attached with this bsr. 16.0 sq. mm 4 core , supply & laying following size earth wire in horizontal or vertical run in ground/surface/recess including riveting, soldering, saddles, making connection with gi/cu purity purity 95% thimble etc. as required. all as per pre approved by engineer in-charge. 10 swg g.i. ( hot dipped ) wire , providing and laying reinforced cement concrete foundation for octagonal / conical street light poles, high mast poles as per drawing attach at table p-4 with following procedure & all as per pre approved by engineer in-charge. for additional technical parameters of products/ work , refer annexure a attached with this bsr . a) excavation of pit for foundation size upto required depth from ground level b) dressing of pit and dry stone pitching 200 mm thick including supply of stones and preparing surface complete. c) providing and laying in position cement concrete of m-10 grade of 75 mm thickness d) reinforcement for reinforced cement concrete work with tmt bars including straightening, cutting, bending, placing in position and binding all complete. e) centring and shuttering including strutting , propping etc. and removal of form work for footing and pedestal f) providing & fixing of 2 no. required size plb hdpe pipe & foundation bolt with template as per oem recommendations. g) providing and laying reinforce cement concrete of m-25 grade in footing and pedestal including curing the foundation for 7 days. h) providing and fixing nosing angle 40 mm x 40 mm x 6mm with 2 no. 100 mm long, 10 mm dia. lugs on each face.pole foundation for octagonal pole from 8 mtr. , p / l of double wall corrugated hdpe pipe confirming to is : 16205 p-24, stiffness class 750 n, externally corrugated and having smooth surface inside with hdpe coupler, elbow, tee at required depth below the ground for laying cable of following nominal outer dia. all as per pre approved by engineer in-charge. 50 mm , supply & laying following size b class , g.i. pipe confirming to is : 1239 p - 1 ( 2004 ) with accessories like bend, socket etc. for laying earth conductor/ strip / cable in ground/ surface/ recess as required. all as per pre approved by engineer in-charge. 50 mm , labour charges for excavating trenches of required width for pipes dressing of sides, ramming of bottoms, depth up to 1.5 mtr. including taking out the excavated soil, and then returning the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layer by ramming, watering etc. and disposal of surplus excavated soil as directed within a lead of 50 mtr.: all kind of soils , plate earthing as per is:3043 with hot dipped g.i. earth plate of size 600mm x 600mm x 6.0mm by embodying 3 to 4 mtr. below the ground level with 20 mm dia. g.i. b class watering pipe ,including all accessories like nut, bolts, reducer, nipple, wire meshed funnel, and heavy duty weather proof poly-propylene earth pit chamber with lockable jam free lid suitable for safe working load 5000 kg or more of size top dia. 225 to 260 mm, bottom dia 300 to 350 mm. and height 250 to 300 mm. and embodying the pipe complete with alternate layers salt and coke/ charcoal, testing of earth resistance for value of 5 ohms or less as required , providing & fixing of ik08, ip 66 protected led street light luminaire on existing bracket/pole. fixture made of powder coated single piece pressure die cast aluminum material with heat dissipation fins on housing with uv stabilized pc (uv stablization report submitted for uv cover ) /toughened glass cover and secondary lens on each led & should be smd type of 3 to 5 watt each . the system efficacy =125 lm/ wt and potted driver & has a unique bis r number with input voltage ac 120 to 270 v ac with high voltage cutoff @=300 v ac and auto resetting safety , power factor 0.95 driver efficiency 85% ,thd(i) 10% humidity 10% to 90% rh working temp -5c to 45c . driver current 750ma. the luminaire shall be bis certified and trade mark certified. life expectancy equal or more than 50000 burning hrs with minimum 70% lumen maintened , cri 70 and cct 5700k +355k. surge protection shall be min ≥ 4 kv internal and min 10 kv external inside driver compartment. driver should be phase to phase protection of 440 v for 4 hrs. manufactures word mark/name engraved/embossing on die cast housing to allow traceability/authenticity. fixture shall be as per is 10322 complianced. all as per pre approved by engineer in-charge. led street light fixture with minimum lumen output 15000 lm , dismantling of existing structures like culverts, bridges, retaining walls, cement concrete road and other structure comprising of masonry, cement concrete, wood work, steel work, including t&p and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 50 metres as directed by engineer. lime concrete, cement concrete grade m-10 (1:5:10) and below , dismantling of flexible pavements and disposal of dismantled materials up to a lead of 50 metres as directed by engineer. bituminous courses , dismantling of flexible pavements and disposal of dismantled materials up to a lead of 50 metres as directed by engineer. granular courses , providing and laying lean cement concrete 1:4:8 in sub- base over a prepared sub-grade with coarse and fine aggregate conforming to is: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 mpa at 7 days, mixed in concrete mixer, laid manually, compacted with surface vibrator, finishing and curing complete as per clause 601, 112 of mort&h specification including all material, labour, machinery, lighting, guarding and maintenance of diversion. , providing and laying un-reinforced, plain cement concrete mix with concrete mixer & vibrator pavement over a prepared sub base with 43 grade cement , coarse and fine aggregate conforming to is: 383, maximum size of coarse aggregate not exceeding 25 mm, mixed as per approved mix design, laid, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints etc including all material, labour, machinery, lighting, guarding and maintenance of diversion. plain cement concrete m-20 , removing & re-fixing of precast cement concrete interlocking paving blocks of all sizes over 50 mm thick course sand bedding (duly compacted) including filling of joints with sand complete in all respect. , p & f of ip 55 protected light controlled switch based on infrared sensing and daylight with built in over load protection, timer to switch off at preselected time. switch shall have 7 day power backup without hampering of preset time and over ride facility for maintenance purpose suitable for 15 kw load (three phase) including contactor, mcb, cable glands, terminal block and locking arrangement , supply and laying pvc insulated and pvc round sheathed multi core copper conductor (is:694) and as per is 8130 : 2013 of 1.1 kv grade . wire should be made from 99.90 % purity copper, stranding in acc. to is:8130/iec 60228 for lower watt loss , oxygen free for less chances of oxidization, insulation pvc type a/c/d , flame retardant as per is 10810-53, better amperage rating as per is:3961 part 5, in existing pipe / open trench / cable tray / on surface including making connection etc. as required. 1.5 sq.mm x 3 core