CA NO. GE (I) (AF)/SHL/ OF 2020-21 REPAIRS/MAINTENANCE OF ROADS, ROAD FURNITURE AND CERTAIN MISC WORKS AT HQ EAC(U), AF UNDER GE (I) AF SHILLONG

Amount

Demolition of cement concrete (un-reinforced) in ground floors and pavings not exceeding 15 cm thickness below or above ground level complete all as specified and directed.

Demolition of unreinforced cement concrete in any position not otherwise specifically provided for and removal all rubbish material complete all as specified and directed.

Dismantling/taking out existing Stainless steel pipes/MS pipe or Angle iron of sign board frame work etc of Sign board in all respect and removing from site complete all as directed by Engineer-in -Charge.

Dismantling/taking out existing stainless steel/MS sheet of Sign boards of any dimension after removing nuts and bolts or by cutting rivets from frames complete all as directed.

Excavation in post holes (or similar holes) in soft/loose soil, each n.exc 0.5 cum, getting out, returning, filling in and ramming moorum or broken rubble mixed with moorum in layers n.exc 25cm around foundation concrete as ordered, watering and removing surplus soil to a distance not exceeding 50 m and making good surface, complete all as specified and directed.

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

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area not exc 400 sqm and exc 50 mm but n.exc 100 mm deep and removing to a distance not exceeding 50m and stacking complete all as specified and directed.

M & L for preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc and applying evenly a priming/tack coat of paving bitumen VG-10 @ 5 kg per 10 Sqm complete all as specified and directed.

M&L for premix bituminous macadam (consolidated thickness 75 mm or less) using 4% binder (paving bitumen VG-10) content by weight of total mix for repairs to road edges, in filling depressions, for filling pot holes, laid, rolled and compacted to required gradient and camber using 8 to 12 tonne power roller or for formation of speed breakers in shape as directed and compacted using 8 to 12 tonne power roller complete all as specified and directed.

M & L for repair to pot holes exc 30 mm depth n.exc 1.00 sqm each including sweeping free from dust and or water scoring sunken surfaces in roads paths etc cutting around edges at least 25mm in depth, making good by filling in screened and graded road metal, watering and well ramming (including supply of road metal), complete all as specified and directed.

MM & L for preparing unsurfaced water bound macadam surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all dirt etc and applying evenly a priming/tack coat of paving bitumen VG-10 @ 10 kg per 10 sqm and laying bituminous premix carpet 30mm consolidated thickness with 0.405 Cum of stone chipping mixed with 21.90 Kg of binder (Paving bitumen VG-10) per 10 Sqm, rolled and consolidated with power roller exc 8 tonne but not exc 12 tonne capacity to required camber and gradient and sealed with liquid seal coat consisting and applied with binder (paving bitumen VG-10) @ 9.8 kg per 10 sqm and blinded with 6.3 mm sizestone chipping @ 0.09 cum per 10 sqm of stone chippings and rolled and consolidated with power roller exc 8 tonne but not exc 12 tonne capacity complete all as specified and directed.

M & L for preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc and applying evenly a priming/tack coat of paving bitumen VG-10 @ 5 kg per 10 Sqm and laying bituminous premix carpet 30mm consolidated thickness with 0.405 Cum of stone chipping mixed with 21.90 Kg of binder (Paving bitumen VG-10) per 10 Sqm, rolled and consolidated with power roller exc 8 tonne but not exc 12 tonne capacity to required camber and gradient and sealed with liquid seal coat consisting and applied with binder (paving bitumen VG-10) @ 9.8 kg per 10 sqm and blinded with 6.3 mm sizestone chipping @ 0.09 cum per 10 sqm of stone chippings and rolled and consolidated with power roller exc 8 tonne but not exc 12 tonne capacity complete all as specified and directed.

M & L for cement concrete in pavement/ hardstanding having a minimum works test beam flexural strength of 40 kg. per Sqcm at 28 days using not less than 400 Kg of cement per cum of finished concrete, coarse sand and graded stone aggregate of 40mm nominal size in appropriate proportions as per specified in design criteria approved by GE, thickness of concrete 25 cm or less, mechanically vibrated using needle and surface vibrators including use and waste of steel form work with sturdy mild steel channel sections in bays between joints i.e. Contraction, expansion joint/or between the two construction joints complete all as specified and directed.

M & L for forming 20mm thick expansion joints filled with pre-formed bituminous filler board and top 30mm primed and sealed with sealing compound, Grade ‘A’ for 100mm thick concrete slab complete all as specified and directed.

M & L for forming Construction joints 30mm deep x 10mm wide filled with sealing compound, Grade ‘A’ complete all as specified and directed.

M & L for 100mm thick PCC 1:4:8 type D-2 using 40mm graded stone aggregate as in sub base complete all as directed.

M & L for 60mm thick PVC moulded precast interlocking paving blocks factory casted using grey cement and pigment, casted in an automatic plant working on vibration and simultaneous hydraulic compression from top, confirming to IS-15658-2006 and of shape haxagon/ triangular/ zigzag/ I-shaped etc. as directed having compressive strength not less than 350 Kg/ Sqcm laid over and including 25 to 30mm thick layer of sand cushioning including filling the interstices with & including sand and interstices on edges filled with PCC 1:2:4 type B-1 finished even and smooth without using extra cement complete all as directed.

M & L for cleaning and preparing road surfaces and applying 2mm thick reflective thermoplastic white or golden yellow road marking paint conforming to BIS-3262 by incorporating the white glass beads for reflectivity, laid through automatic mechanical road marking machine in a layer of CRYSTALEX for lines, dashes, arrows, Zebra marking etc in required width all as specified and as directed.

S & F in replacement ABS Engineering plastic stud (Cat Eye) of size 100mm x 90mm x 18mm thick, dynamically designed having high impact strength and fitted with 2 Nos. highly reflective reflectors on both sides iand fixed using epoxy resin adhesive (hardner) as per manufacturer's instructions and as directed. Make : DARK EYE / 3M/ M/S Texla Plastic & Metals Pvt Ltd./ M/S Sun Eyez/M/S MB Engineering corporation/M/S Automat Road safety Pvt. Ltd

S & F in replacement solar cat eyes (studs) made of aluminium dicasted body, 100% waterproof, both side reflectors, designed according to IP 65 of size 125mm x 125mm x 25mm with shank not less than 60mm length, high efficiency mono crystaline solar panel(2.5 V/0.3 watt), one Ni-Mh or Ni-cd rechargable battery (1.2 V/1600 MA) having six super bright LEDs with 10000 to 18000 mcd (millicandela), view distance upto 1000 metre and flush road bearing capacity 10 MT, fixing in road by drilling a hole and with epoxy hardner etc as per manufacturer's instructions at the location complete all as directed. Model/Make: Model 'DHRUV' of Dark Eye or equivalent model of Make M/S Automat Road safety Pvt. Ltd / M/S MB Engineering corporation/M/S Texla Plastic & Metals Pvt Ltd./ M/S Tata Solar BP/ M/S Sun Eyez

S & F Stainless steel hollow pipe of grade SS-304 quality Sch 40S fabricated to form frame work of Sign board by proper welding etc including Stainless steel finials/caps over exposed pipe ends complete all as specified and directed.

S & F 1.5mm thick Stainless steel sheet fixed on post of Stainless steel pipe and frame using statinless steel nuts, bolts, washers etc & rivets. Front face of Stainless steel sheet shall be covered with white diamond grade micro Prismatic type IX ASTMD 4956-01 standard retro reflective sheeting, letter material (in language as directed) by overlay colour film (colour as approved by GE) pasted over white prismatic sheeting comlpete complete all as directed. Note:- Stainless steel tube support and Stainless steel frame etc shall be measured and paid for separately under respective items)

M/S UTTAM SAHA