RESTORATION AGAINST PH WORK OF STRENGTHENING OF SEWERAGE SYSTEM BY PROVIDING AND LAYING OF SW PIPE LINE NEAR H. NO. 1331 TO 1349 AND H. NO. 1101 TO 1110 SECTOR 35, CHANDIGARH FALLS UNDER THE JURISDICTION OF SDE MCPH SUB DIVISION NO. 18, CHANDIGARH

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge. All kinds of soil. DSR 2.6.1

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. DSR 15.60

Preparation of sub grade including trenching rough dressing of soil, final dressing of earth to give level and camber, watering, rolling with a road roller and compaction of bed complete in all respect to the entire satisfaction of Engineer in Charge.

Construction of granular sub-base by providing Material conforming to Grading-II --- Table 400-1 including mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller 8 to 10 tonne to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge & as per clause 401 of MORTH specifications (5th revision)

Laying, spreading and compacting stone aggregate of 63 to 45 mm gauge conforming to grading - ll in table 400-9 of MORTH specifications (5th revision) to water bound macadam specifications in uniform thickness, hand picking, rolling with 3 wheeled road/ vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and brooming requisite type of screening / binding material to fill up interstices of coarse aggregate, watering and compacting to the required density as per clause 404 of MORTH specifications (5th revision)

Laying, spreading and compacting stone aggregate of 53 to 22.4 mm gauge conforming to grading - ll in table 400.7 of MORTH specifications (5th revision) to water bound macadam specifications in uniform thickness, hand picking, rolling with 3 wheeled road/ vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and brooming requisite type of screening / binding material to fill up interstices of coarse aggregate, watering and compacting to the required density as per clause 404 of MORTH specifications (5th revision)

Providing and applying primer coat with bitumen emulsion RS on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.40 kg/sqm using mechanical means complete as per Clause 503 of MORT&H specifications (5th revision) to the entire satisfaction of Engineer in charge.

Providing and applying tack coat using hot straight run Bitumen binder of grade (VG - 10 Bulk) @ 3 kg/ 10 Sqm including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface & complete as per Clause 503 of MORT&H specifications (5th revision) to the entire satisfaction of Engineer in charge.

Providing and laying 40 mm thick Dense Bituminous Macadam produced with HOT Mix Plant using crushed aggregates confirming to Grading 2 of Table 500-10 premixed with straight run bitumen of VG-30 grade @ 4.5 %(by wt. of total mix), transported to site laid with paver finisher to required grade, level and alignment, rolled as per clause 501.6 and 501.7 to achieve the desired compaction complete as per Clause 505 of MORT&H specifications (5th revision).