REPAIR/MAINT OF JOINT FILLING WITH POLYURETHANE BASED SEALING COMPOUND AT BRAVO, 9 SQN DISPERSALS ETC AND CONNECTED WORKS IN AIRFIELD AT TECH AREA AT AF STN GWL

Amount

M&L for preparation of existing joints by manually/mechanically raking out to depth of 20 to 25mm and width of joints 5 to 10mm,cleaning the joints with coir brushes and removing all the fine particles, cleaning to concrete surfaces and joints with the help of air compressor and removing away the existing sealing compound and all other loose materials to a distance exc 200 meter but n.exc 250meter as directed and provided a back rod of width 3-5 mm more than width of joints / debonding strip of width equal to joint width , applying primer to joint with light pressure and filling the joints with polyurethane base sealing compound (pitch free) ISI marked compound to a depth 10 to 12 mm including fixing masking tape to prevent edges of joints becoming dirty due to spillage of sealant complete all as specified and directed .

Description same all as per item No 1 here-in-before but width of joints 11mm to 15mm

Description same all as per item No 1 here-in-before but width of joints 16mm to 20mm

Description same all as per item No 1 here-in-before but width of joints 21mm to 25mm

Description same all as per item No 1 here-in-before but width of joints 26mm to 30mm

Description same all as per item No 1 here-in-before but width of joints 31mm to 35mm

Description same all as per item No 1 here-in-before but width of joints 36mm to 40mm

M&L for repair of concrete slab or pavement damaged/spoiled edges/surfaces cut to rectangular section, removing all loose and foreign material and disposing off the same to a distance exc 200M but n.exc 500M and cleaning the surface and filling with epoxy resin all as per manufacturer's instruction including necessary form work complete all as specified and directed

M&L for repair of concrete slab or pavement damaged/spoiled edges/surfaces cut to rectangular section, removing all loose and foreign material and desposing off the same to a distance exc 200M but n.exc 500M and cleaning the surface and filling FLEXOPATCH-ELASTOMERIC CONCRETE all as per manufacturer's instruction including necessary form work complete all as specified and directed.

Demolition of flexible / rigid pavement of any description and in any position by means of machanical methed including cutting by machine of existing edges / boundary of any thikness and removing the material exc. 5 km but not exc. 8 km complete all as specified and directed.

M&L for 150 mm thick dry lean concrete of compressive strength not less than 7 Mpa at 7 days . Min cement content should not be less than 140 Kg/Cum complete all as specified and directed.

M&L for 10mm thick layer of sand including watering rolling over DLC complete all as specified and directed.

M&L for 400 micron HDPE sheet virgin quality having min weight 390 gm persqm over sand layer complete all as specified and directed.

M&L for pavement quality control concrete using crushed stone aggregate having minimum field flexural sength of 45 Kg/Sq Cm and characteristic compressive strength 40 N/Sqmm in pavement using non circular/triangular synthetic fibre @ 0.25% by weight of cement used laid to level, gradient and camber including necessary form work complete all as specified and directed. Note : Non circular / trinagular fibre shall be measured and paid for seperately as supply only.

Supply only polyester non-circular/traingular fibres 12mm long with circum circle diameter 30-35 micron, designed for melting point of 240-260 degree celcius and having specific gravity of 1.34 to 1.40 complete all as specified and as directed.

M&L for finishing of concrete pavements by belting and brooming without using extra cement complete all as specified and directed.

M&L for forming construction joint 10mm wide and 25mm deep, primed and providing a back up rod/debonding strip and top 10mm (excluding 2 to 3 mm recess at top) primed and sealed with and using polyurethane based sealing compound with suitable primer as per manufacturer's recommendeations, complete all as specified and directed.

M&L for forming contraction/dummy joint 08mm wide and 100mm deep, primed and providing a back up rod/debonding strip and top 10mm primed and sealed with and using polyurethane based sealing compound with suitable primer as per manufacturer's recommendations, 3mm wide saw cut upto 60 mm depth complete all as specified and directed.

M&L for forming 25mm wide expansion joint to full depth of slabs (300mm thick) and filled with compressible rubber filler board (silflex dura board HD 100 of supreme make or equivalent) and providing a back up rod/debonding strip and top 12mm (excluding 2 to 3 mm recess at top) primed and sealed with and using polyurethane based sealing compound with suitable primer as per manufacturer's recommendations, complete all as specified and as directed (including cutting edges of existing pavements for forming expansion joints between existing and proposed slab if required). Note: Compressible filler board shall be fixed after full depth cutting of slab,complete all as specified and directed.

M/s. Ravi and brothers

m/s vikash Engineers

M/S DHARMENDRA SINGH TOMAR

lodhi builders

Ganga and Sons

M/S YOGANSH CONSTRUCTION CO.

JNK BOND