Tender For Special Repair To Roads At Dehradun Under Ge Af Sarsawa; 1 Material and labour for repair to potholes of depth not exceeding 30mm, area not exceeding one sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in roads, paths etc. by using pressured air, cutting around edges to at least 25 mm in depth, making good by filling in screened & graded road metal, watering and well ramming (including supply of road metal), complete all as specified & directed.Note: A Board of Officers shall be ordered by GE well before execution of item to ascertain the quality, quantity & locations of work. 2 Material and labour for preparing of existing black top surfaces of road by brushing with wire brushes for removing caked mud, grass etc. sweeping with brooms and finally fanning the cleaned surfaces with gunny bags/air compressor to remove all dust/dirt and applying evenly a priming/tack coat of bituminous primer (paving bitumen grade VG-10) @ 5 Kg per 10 sqmby using mechanical sprayer complete all as specified & directed.Note: A Board of Officers shall be ordered by GE to ascertain the quantity & locations of item well before execution. 3 Material and labour for laying 25mm thick (consolidated thickness) bituminous pre-mixed, hot mix, semi-dense asphaltic concrete with coarse aggregate of grading 1 as per MORT&H specification in single layer using binder content (paving bitumen grade VG-30) @ 5.5% by weight of the total mix as per design mix including supply and mixing of filler (OPC cement) laid, rolled and compacted to required gradient and camber using full width mechanical sensor paver with string sensor and compacted with 8 tonne to 12 tonne power roller complete all as specified & directed. Note: For price adjustment of bitumen & other requirements of design mix, refer Sch A Notes/Particular specifications. 4 Material and labour for preparation of bituminous/concrete surface and marking/painting lines, dashes, arrows etc. on roads/pavements by hot applied thermoplastic road markingpaint(white/yellow) inclusive type I reflectorising glass beads as per table800-3, 800-4 of MORT&H, applied in uniform thickness of atleast 2.5mm and spread uniformly with reflectorising glass beads type II @ 250 gram per sqm & painting materials @ 650 gram per sqm with a road marking machine as per IRC: 35, with traffic diversion arrangements if required, complete as per MORT&H specification clause 803.4, complete all as specified & directed. Note: Hot applied thermoplastic road marking materials shall be confirming to BS 3262-1989. 5 Supply and fixing as in replacement Solar road stud (100% water proofing design according to IP-67), any tint, 2 way, aluminium alloy shell body, size 125mm x 125mm x 25mm(with shank of 65mm) having two highly reflective reflectors ,Solar powered by Mono-Crystalline solar panel fitted with 6 pieces(3 pieces on either sides) LEDs of different clolur with one high capacity Ni-cd rechargeable battery backup of 12 hours continuous lighting at night view distance 1000metre approx, designed to bear load upto 10 tonnes fixed with approved epoxy adhesive as per manufacturers instructionscomplete all as specified &directed. 6 Supply and fixing as in replacement road stud(any tint), ABS material body, approx size 100mm x 100mm, weight not less than 435 gram, having 50mm long shank, plastic body reflective panel with two highly reflective reflectors, two way fitted in the body,one MS pin fixed with approved epoxy adhesive as per manufacturers instructions complete all as specified & directed. 7 Demolition of Plain cement concrete (un-reinforced) as in kerb stone of any description and in any position not otherwise specifically provided including removal of debris to a distance not exceeding 500 mtr complete all as specified & directed 8 Material and labour for cement concrete work in pavement/hard-standing of flexural strength 40 kg/per square centimetre in field using 400 kg of cement per cubic metre, thickness of concrete 25 cm or less complete all as specified and directed. 9 Forming Contraction (Dummy) joints, Grade A,100mm deep, 10mm wide, filled with sealing compound complete all as specified & directed. 10 Material and labour for 75 mm thick plain cement concrete (PCC) 1:4:8, type D-2 using 40mm graded mechanically crushed stone aggregates, as in subbase of floors complete all as specified & directed. 11 Material and labour for providing & laying 60mm thick factory made chamfered edge cement concrete paver block of M-35 grade with approved colour, design & pattern as in footpath, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size/shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 25mm thick compacted bed of coarse sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with fine sand and cutting of paver block as per required size and pattern, finishing and sweeping extra sand; complete all as specified & directed.
