Re-construction of Road Cut Made by Public Health Deptt. for Laying of Water and Sewer Line on Tohana Bhuna Road (Road ID 5373)

Amount

Preparation of sub grade including trenching, rough dressing of spoil, final dressing of earth, to given levels and camber, watering, rolling with road roller, and compacting the bed (HSR 24.1) Note: - In widening portion sub grade will be prepared with the use of Baby roller (HSR 24.1) or width of excavation should be made sufficient wide to accommodate road roller. Extra width required for compaction of sub grade shall not be paid and its expenditure shall be in incidental to the work.

Dismantling of existing CC block pavement including transporting and stacking usable block along road side and dispose unusable blocks outside PWD land or desired by Engineer (NS)

Providing and laying 100 mm thick granular sub base consisting of filter layer confirming to Table 400.1 Grading - III of MoRT&H 5th edition, mixing in a mechanical mix plant at OMC, carriage of mix material to the site of work, spreading in uniform layer with motor grader on prepared surface and compacting with vibratory power roller to achieve desired density complete as per clause No. 401 of MoRT&H specifications. Note: - 1.Only crushed metal material should be used. No local earth sand shall be used. The material finer than 425 micron shall have zero Plasticity Index (PI). 2. Materials to be used and operations of manufacturing shall be approved by the engineer.

Providing & laying 75 mm thick (Compacted) stone metal (G-II) 53mm to 22.4mm gauge wearing coat to water bound macadam in layer of 75mm each using screening type ‘B’ compacting with 3 wheeled steel roller/vibratory roller to achieve the desire density including lighting, guarding barricading and maintenance of diversion etc. as per clause No.404 of MoRT&H specifications for road & bridge (5th Revision) of 2013 as per drawing and design directed by the Engineer complete in all respects.(N.S.) Note: - 1.Only crushed stone metal material should be used. No local earth/ natural occurring sand shall be used. The material finer than 425 micron shall have zero Plasticity Index (PI). 2. Materials to be used and operations of manufacturing shall be approved by the engineer.

Providing and laying first coat surface dressing, including rolling with road roller etc. complete including cost of bitumen VG-10 grade using aggregate 13mm nominal size 1.00 cum and bitumen VG-10, 0.10 MT per hundred square metre. Clause 509 of MoRT&H specification.(5th edition) 2013 (NS).

Providing and laying tack coat with bitumen VG-10 grade pressure distributor at the rate of 0.30 kg. per sqm. On the prepared bitumen/granular surface cleaned with mechanical broom including cost of bitumen as per clause No.503 (5th edition) 2013 as per MoRT&H specification (N.S.)

Providing and laying 20mm thick premix carpet (PC) excluding cost of tack coat, with mixed material brought from Hot mix plant and laying with paver finisher and compacting with road roller to achieve specified value of compaction and direction of Engineer including cost of lighting arrangement, sign board and night watch, complete in all respect. i/c cost of Bitumen VG-10 grade as per clause 510 MoRT&H specification (5th edition) 2013 (NS). Note: - Before laying PC on existing black top all cracks shall be sealed as MORT&H specification (5th edition) clause No. 3004.3 which may consists of (i) Fog seal/ or (ii) crack filling and or (iii) patch work repair as required at site in accordance with clause No. 3004.3.2 and 3004.3.3 of MORT&H specification (5th edition) 2013 respectively. Proper measurement and consumption shall be entered in MB for fog seal/ or crack filling/ or patch work but no payment on this account shall be made as fog seal/ or crack filling/ or patch work is/ are incident to work.

Providing and laying ‘B’ type seal coat with VG-10 grade bitumen excluding cost of tack coat, with mixed material brought from Hot mix plant and laying with paver finisher and compacting with road roller to achieve specified/desirable value of compaction as per direction of Engineer including cost of lighting arrangement, sign board and night watch, complete in all respect as per clause 511 and 510.1.3 of MoRT&H specification (5th edition) 2013 (NS).

Relaying old CC blocks over 25 mm thick fine sand including transportation from road side where stacked excluding cost of CC blocks and complete in all respect as per specifications (NS).

M/s Parkash Contractor

Lawat Construction Company