SPECIAL REPAIR TO SEWAGE LINE MAIN HOLE OPEN DRAIN IN MT COLONY AND SPECIAL REPAIR FOR REPLACEMENT OF OLD UNSERVICEABLE SOLAR LIGHTS AT DIFFERENT INSTALLATIONS AT IMA DEHRADUN

Amount

Brick work using sub class “B” bricks straight or curved on plan exc 6 metre mean radius built in CM 1:4 ( Old size brick) complete all as specified and directed.

Rendering 15mm thick cement plaster in CM 1:4 on brick work finished even and smooth without using extra cement complete all as specified and directed.

PCC 1:4:8 Type C-2 using 40mm graded crushed stone aggregate as in foundation filling and mass concrete complete all as specified and directed.

PCC 1:3:6 Type C-2 using 40mm graded crushed stone aggregate as in foundation of man hole complete all as specified and directed.

PCC 1:2:4 Type B-1 {using 20mm graded crushed stone aggregate} as in coping/benching including weathering, slightly rounded or chamfered angles and throating etc including necessary form work complete all as specified and directed.

Factory made precast RCC 1:2:4 type B-1 covers of required size, medium duty thickness of 75mm, with load carrying capacity of 5 T/sqm set in cm 1:4 complete all as specified and directed.

Reinforced concrete pipes 200mm bore, class NP2 laid on concrete bed or directed on hard ground and jointed complete all as specified and directed.

Salt-glazed stoneware drain pipes grade 'A' 100mm dia laid in trenches and jointed complete all as specified and directed.

PCC 1:4:8 type D-2 using 40mm graded crushed stone aggregate for concrete bed to drain pipes including packing under and haunching against the sides of pipes after they are laid and tested suitable for 100mm bore of pipe complete all as specified and 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 directed.

Extra for forming fair finished drain or channel 32.5cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc. complete all as specified and directed.

Cutting into exisiting manholes for connecting new drains, making good to pipes and rendering, cutting out existing benching and forming channels and reforming benching etc complete in PCC 1:2:4 type B1 smooth finish complete 150mm dia & up to 300 mm dia complete all as specified and directed.

PVC (SWR) 110mm dia pipes single socketed, in any length with rubber ring joints, fixed to walls/floors fixed in repair complete all as specified and directed.

PVC (SWR) 75mm dia pipes single socketed, in any length with rubber ring joints, fixed to walls/floors fixed in repair complete all as specified and directed.

PVC branch pieces single ordinary or inverted or with parallel branches 110mm dia fitted with oval access doors fixed in repair complete all as specified and directed.

PVC branch pieces single ordinary or inverted or with parallel branches 75 mm dia fitted with oval access doors fixed in repair complete all as specified and directed.

PVC bends fitted with oval access doors 75 mm dia any radius diminishing pieces or tapers fixed in repair complete all as specified and directed.

15mm bore GI tubes medium grade, galvanised with all fittings and fixed complete to walls and ceiling or laid in floors including taking up/down existing GI pipe complete all as specified and directed.

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

Excavation in trenches not exc 1.5m wide and exc 1.5m and not exc 3.0 m in depth for foundation, etc or for shafts, wells, cesspits, manholes, pier holes, etc n.exc 10 Sqm on plan and getting out in soft/loose soil complete all as directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers n. exc. 25cm complete all as specified and directed.

Removal of surplus soil to distance exceeding 250 metre but n. exc. 500 metre and depositing as directed at a level n. exc. 1.50m above the starting point complete all as specified and directed.

Desludging/cleaning of septic tank /soakage well/ open drain of any depth by mechanically means or by pumping and burring the sludge into the ground including throwing of required quantity of lime to stop the bad smell complete all as specified and directed. Note:- Rates quoted by the contractor for this item are for solid contents of sludge only (The volume of solid contents of sludge shall be calculated by reducing 50% of loose/seperated quantities of sludge)

Demolition of brick or stone masonary built in cement mortar including all quoins, arches, pillars etc complete all as specified and directed.

Taking down cement plaster on brick or stone walls etc including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed.

Demolition of cement concret ground floor and paving n. exc 15cm thick below or above ground level complete all as specified and directed.

Supply & fixing of Integral LED Solar Street Light with and including pressure die cast. Aluminium Housing reliable & robust construction, minimum system efficiency of 3000 lumens, system wattage 12V DC, 17Watts (+/-10%), SMD LEDs With PMMA Lens plat, External built proper heat shrinks and UV stabilized polycarbonate cover IP65 & life of LED luminaire engine should be 50000hrs along with built in high efficiency MPPT charge controller & driver along with LiFePo4 battery chemistry & high efficiency reliable PV Module suitable for even harsh conditions, CCT >5700K, CRI 70. Solar panel module capacity 12V, 35Watts peak & Solar Cell Efficiency min 12%, Polycrystalline. The fixture should have designed for Street light application & should have flexible angle of mounting from 0-15 degree adjustable, Arm & Pole Mount for diverse geographical condition. Factory configured LED’s Load & PIR sensor dimming for optimum of autonomy uses up to 24hrs. Dimming profile should be as from dusk –first 05 hours sensor enabled, next 05 hours sensor disabled with fixed at 30% brightness, & next till dawn sensor enabled. System should have smart self-diagnostic feature for indicating battery charging, cut off & fault if any. Company Logo shall be engraved to avoid any distrusts & complete system should have minimum warrantee of 36 months including taking down old lights complete all as directed. Make:-Phillips Cat Part No BRP340 LED 184 CW HO SLCS1 PSU GR OR or equivalent of Havells/Wipro.

MS base plate fixed to street light pole with bolts, nuts, and screws complete all as specified and directed.

80 mm bore medium grade, MS tube, with all fitting for fixing of solar light with and including preparation of new steel surface of any dia and length and applying two coat of synthetic enamle paint over a coat of primer complete all as specified and directed.

PCC 1:2:4 type B-2 using 40 mm graded stone aggregate as in foundations including foundation blocks, foundation beams,plinth beam,base for column etc basement under reamed piles and mass concrete all as specified and directed.

M/s caspur construction company

Alankar Traders

M/s RAM RATAN AND SONS