PROVN OF RETAINING WALL IN FRONT OF GOVT MD ACCN BLDG NO A-162 AT K LINE OF SIGNAL UNIT HAPPY VALLEY SHILLONG AND PROVN OF SECURITY LIGHT AT TRG AREA FROM LONG RG TO CHECK DAM OF 58 GTC AND PROVN OF 01 X HIGH MAST LIGHT AT LONG RANGE GATE OF ARC HAPP

Amount

Excavating in trenches in soft/loose soil, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out complete all as specified and as directed.

M&L for PCC (1:3:6) type D-2(using 40mm graded crushed stone aggregate) in foundation, filling and mass concrete complete all as specified and as directed.

M&L for Walling of Random rubble, uncoursed , well bonded and solidly hearted built in cement mortar (1:6) complete all as specified and as directed.

Returning and filling including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft / loose soil complete all as specified and as directed.

Removing excavated materials (soil) n.exc. 50m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and as direted.

M&L for PCC (1:3:6) type C1 (using 20mm graded crushed stone aggreagtes) including necessary form works as in precast bond stone set in CM (1:6) complete all as specified and as directed.

Extra over Hammer dressing with maximum depression on face from straight edge held against the dressed surface of lime or sand stone n.exc 20mm complete all as specified and as directed.

M/L for raised pointing to random rubble stone masonary uncoursed or brought upto course in cement mortar (1:4) complete all as specified and directed.

M&L for PCC coping (1:2:4) type B-1 (using 20 mm graded aggregate stone aggregate) complete all as specified and as directed.

Loose filling with aggregates of guage 80 to 150 mm broken stone or boulders behind weep holes complete.

S & F of 75 mm bore PVC (SWR) pipe single socketed, in any length with rubber ring joint fixed to walls complete all as specified and directed.

M&L Precast PCC (1:3:6) type C1 (using 20mm graded agg) solid block masonry exc 10cm in width or girth and setting CM (1:6) complete all as specified and directed.

M&L for plastering 15mm thick in CM 1:4 on brick or concrete surfacesof walls to be finished even and smooth (without using extra cement) complete all as specified and as directed.

M&L for 25mm thick cement concrete 1:2:4, type B-0, using 12.5 mm graded crushed stone aggregate, as in in surface channels and drains and finishing even and smooth without using extra cement complete all as specified and as directed .

Extra for forming fair finished drain or channel 30cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc complete all as specified and as directed.

M&L for preparation of new plastered surfaces of walls and applying three coats of white wash complete all as specified and directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5 m in depth for laying of cable/erection of pole and getting out in soft/loose all complete as specified and as directed.

Ditto all as per sl item No 17 but exc. 1.5m deep but not exceeding 3m depth.

M&L for PCC 1:3:6, type C2 using 40mm graded crushed stone aggregate as in foundation of pole complete all as specified and directed.

Returning and filling including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft / loose soil complete all as specified and as directed.

Removal of excavated soil to a distance not exc 50 m and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as directed.

M&L for plain cement concrete 1:2:4 type B-1 using 20mm graded stone aggregate for coping around poles , including necessary form work finishing even and smooth without using extra cement , all as specified and directed.

Supply and fixing/laying 40mm bore, steel tubings, galvanised, light grade with all fitting laid across road , in trenches or across PCC drain or along electric pole or floor/wall etc for protection of cable complete all as specified and as directed.

Supply & laying Sand coarse dry as in cushioning of underground electric cable in trenches, laid to a uniform thickness of 23cm (15cm under the cable & 8cm over the cable ) and gently punned down to 18cm thickness all complete as specified and as directed. Note :- Only punned down sand shall be measured.

M&L for fly ash bricks locally available laid dry width wise across the line of cable in trenches for protection of UG cable complete all as specified and directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 16 sq mm 4 core Iincluding laying in trench or fixed on wall through clamps complete all as specified and as directed by Engr-in-Charge.

M & L for Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP-31, 9mtr long including two coats of Aluminium pait and alternate 5strips of yellow and black of length 1 feet each strip complete all as directed by Engr-in-charge

Supply and fixing LED street light fitting 70 Watt 230 V AC outdoor type with high pressure die cast aluminum hosing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection with 40 mm dia GI bend pipe with clamps,nut and bolts complete all as specified and as directed.

M & L for water proof, 3core PVC insulated and PVC sheathed, copper conductor cable of size 2.5 sqmm, 1100 Volts grade for electrical connection of street light fittings, complete all as specified and directed

Supply and fixing cable junction box with terminals for outside installation with metric knockout entry for cable of size 16 sqmm 4 core and size 155x210x92mm with terminals and provision of one MCB SP 6A complete with all pole brackets and fixing arrangements with double aluiminium strip,nut and bolts all as specified and as directed.

S & F street light panel Conforming to IS/IEC 60947-4-1 Provided with Protection Degree IP 54 , FRLS Internal wiring In-built Short-Circuit Protection Class H Insulation, digital timer switch with 32 A contactor of Make Havells Cat part No.IHXTS03060 or equivalent

Material and labour in repair for earthing complete with galvanised mild steel earth plate electrode 600x600x6.0mm thick, burried directly in ground to a depth not less than 2.25 metres deep below ground level with top edge of earth plate not less than 1.5 metre below normal ground level surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15 cm all around the plate, using GI wire 4 mm dia as earth strip electrode bolted or rivetted to earth plate at one end and connected to equipments at another end, GI earth strip encased in and including 40 mm dia GI 'light grade' pipe from upper end of earth plate upto equipments,20 dia bore GI pipe 'light grade' as water pipe from earth chamber to upper edge of earth plate, Test point , GI funnel with wire mesh fixed on water pipe and PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) as in pit chamber and RCC pit cover 50mm thick precast RCC 1:2:4 type B-1, duly reinforced with MS round bars 6mm dia @ 100 c/c both ways with 10mm dia MS round bar as in lifting handles, excavation, earth work including laying the GI pipe concealed in floor/wall all as described in electric plate of SSR Part I complete all as specified and directed and testing on completion.

Supply, installation, erection, testing and commissioning of galvanised steel High mast of 12.5 mtr lighting system top dia 150 mm, bottom dia 340 mm, with 2/3 wire rope system and its accessories i. e. foundation bolts manufactured from special steel and hot Dip Galvanised along with nuts, washers, anchor plates and templates, feeder pillar panel with single dial timer control and raising & lowering mechanism for integral power tool , flood light fittings suitable for 120 W LED lights-06 Nos, twin aviation Lamp -01 Set (IP65, Red twindome LED steady, 302 LEDsE, 230V AC, > 10 Candela @ 3600 cast aluminium body)Mast shaft shall be in two sections, hot Dip galvanised and suitable for wind velocity as per IS 875 part 3 , it shall also include accessories for high mast including head frame, steel wire rope(7-/19 construction) double drum winch ,Galvanised Lantern carriage arrangement 'suitable for 06 Nos luminaires symmetrically & its control gear boxes and 03 point operation( Material construction of high mast sheet will be of BSEN 10025/IS 5986 or equivalent ) with wiring cable for luminaire connection. (MAKE:- Highmast GI pole/ octagonal pole - Bajaj/ Crompton Greaves/ M/s Signify Innovations India Ltd. Twin aviation lamp- Bajaj/ Crompton/ Havells/ Wipro. Note: The quoted rate shall be deemed to include:- (i) M&L for earth work, making of civil foundation for 12.5 mtr high mast considering the soil bearing capacity 10T /Sq. mtr at 2 meter depth. Concrete grade will be M-20 (ii) Erection of feeder pillar panel on civil foundation (iii) LED floodlight shall be measured and paid seperately under relevant items here in after.

Supply and fixing LED flood light 120 watt 230 V AC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant complete with driver and lamp all as directed.

Material and labour for earthing complete with galvanized steel plate electrodes of size 600mm x 600mm x 6mm thick buried directly in ground with earth pit not less than 2.25m deep below normal ground level with top edge of plate not less than 1.5 m below normal ground level connected to galvanized strip of 32 mm x 6 mm earth lead by means of nuts bolts check nuts GI washers earth wire protected by galvanized iron pipe 40 mm bore (light grade) including concrete pit in PCC (1:3:6) type CI, precast RCC cover slab of size 30x30x10 cm with one handle for lifting made out of 8 mm dia MS bar funnel wire mesh 20 mm bore galvanized iron pipe (medium grade) for watering charcoal or coke and salt in alternate layers necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR part 1 including testing on completion all as specified

Supply and fix GI pipe 25mm light grade for cable protection complete all as specified and as directed.

Bhuiya Construction (BID ID -3464682)

S K Construction (BID ID -3465464)

HAMZA CONSTRUCTION CO (BID ID -3457621)

H K Enterprise (BID ID -3466482)

M S Umesh and Co (BID ID -3462308)