Widening and Recarpeting of Road at Government College of Education Sector 20 D Chandigarh

Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m complete in all respects and to the entire satisfaction of Engineer in charge.

Haulage of matrial/Earth by mechanical transport excluding loading, unloading and stacking with lead upto 5 Km.

Preparation and consolidation of sub grade after loosening of the ground upto a level of 100 mm below the sub-grade level, watered, graded and compacted in layers to meet requirement of table 300-2 for sub-grade construction complete in all respect in all respects and to the entire satisfaction of the Engineer in charge.

Providing, laying, spreading and compacting granular sub base material 200 mm thick compacted of natural sand, morrum, gravel crushed stone or combination thereof as per MORT&H specification confirming to clause 401 coarse graded grading – 3 as per table 400.1 of MORT&H specification (5th revision), including spreading on the prepared sub grade with the help of tractor with planner of adequate capacity maintaining the requited slope and grade during operation, rolling with road roller 8-10 tone with the grade and cross fall (camber) to be checked and any high spot or depressing which becomes apparent, corrected by removing or adding fresh material, including cost of tools and plants, carriage of material from stacks, templates, barrier, lighting arrangement at night, chowkidar and maintenance of diversion etc. complete in all respect as per MORT&H specifications, density of GSB as laid 2 gms/cc complete in all respect and to the entire satisfaction of Engineer in charge.

PRIME COAT : Providing and applying primer coat with bitumen emulsion (Rapid Setting, packed) on prepared surface including cleaning of road surface and spraying bitumen at the rate of minimum 6 Kg./10sqm with bitumen pressure sprayer complete in all respects as per clause 502 of MORT&H specification ( 4th edition) complete in all respect in all respects and to the entire satisfaction of the Engineer in charge.

WET MIX MACADAM : Construction of 200 mm thick compacted Wet Mix Macadam to confirming to clause 406 of MORT&H (Ministry of road transport and highway)specification (5th edition) having as laid, density of 2.2gm/c.c (Two point Two gram per cubic centimeter) by providing laying, spreading and compacting clean, crushed aggregate and granular material, area conforming to Table 400.12 (Physical Requirement) and Table 400.13 (grading) of MORT&H (Ministry of road transport and highway)specifications (5th revision). The material shall be premixed with water at OMC in Mixing Plant/Pan type mixer/Pug Mill and mixed material carried to site by tippers and spread uniformly and evenly on the prepared sub base/base by tractor with planner of adequate capacity and all high and low spots remedied by removing or adding aggregate, as required and rolled with 8-10 (Eight to ten tones) tones roller to achieved/desired density. It shall included the cost of tools and plants, carriage of material from stacks, templates, barriers, safety temporary warning lamps at night, chowkidar, maintenance of diversion etc. Complete in all respects as per MORT&H (Ministry of road transport and highway) specification and to the entire satisfaction of the Engineer-in-charge.

Dense Graded Bituminous Macadam: Providing and laying 50mm thick dense graded bituminous macadam with mechanical paver after mixing aggregate and bitumen as per design mix in hot mix plant using minimum @ 4.5% bitumen of grade VG-30 of total mix with aggregate confirming to requirement laid in table 500.8 and as per grading II specified in table 500.10 complete as per clause no. 507 of MORT&H specification rolling with smooth wheeled vibratory and tandem roller as per clause 501.6 and 501.7 to achieve the desired density 2.3gm/cc. complete in all respect and to the entire satisfaction of the Engineer-in-charge.

Providing and laying tack coat with bitumen VG-10 @ 3.0 kg/10 sqm using sprayer pump on prepared surface heating bitumen in boiler and spraying bitumen with spray set fitted on bitumen boiler including cleaning of road surface with complete in all respect as per MORT&H specification and to the entire satisfaction of the Engineer-in-charge.

Providing and laying 30mm thick bituminous concrete manually as per clause 507 of MORT&H specification after mixing aggregate and bitumen as per design mix in Hot mix plant using minimum 5.4% bitumen of grade VG- 30 and using both coarse and fine aggregate filler stone dust @2% by weight of aggregate confirming to relevant specification laid in MORT&H specification clause 507.2.2 and 507.2.3 with grading confirming to table 500.17 gradation –II of MORT&H specification and density of bituminous concrete as laid 2.35 gm/cc complete in all respect as per MORT&H specification and to entire satisfaction of Engineer-in-charge.

Dismantling of existing Kerbs and stacking the serviceable kerbs properly at site and disposal of the unserviceable kerbs and channels average lead of 1000 mtr.