BWN/Rs. 70.40 Lacs/Special repair by Old ROB to Devsar Chungi road (Re-Inviting)

Amount

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - CC 1:2:4 (1 cement : 2 coarse sand (zone-Ill) : 4 graded cum stone aggregate 20 mm nominal size) (HSR 6.1.2)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering – C C : 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size) (HSR 6.1.6)

Providing and fixing on wall face Unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 150 mm diameter(HSR 9.57.3)

Providing and laying of chequered terrazzo tiles 22 mm thick with graded marble chips of size up to 6 mm in floors, jointed with neat cement sluny mixed with pigment to match the shade of the tiles, including rubbing and polishing complete, on 20 mm thick bed of cement mortar 1 :4 (1 cement :4 coarse sand) Medium shade pigment using 50% white cement, 50% ordinary cement(HSR 10.29.2)

Cement Concrete 1 :8:16 Flooring Cement Concrete 1:8:16 with stone aggregate 40 mm size in foundation and plinth.(HSR 10.100.2)

Pointing on stone slab ceiling with cement mortar 1 :2 (1 cement : 2 fine sand):Flush/ Ruled pointing(HSR 11.29.1)

Construction of embankment (under footpath) with approved materials deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of table 300-2.as per technical clause 305 of MORT&H specifications. (HSR 17.7) (Use Excavated earth)

Excavation for roadwork in soil by manual/mechanical means including cutting , trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, including breaking of clods and disposal within ROW as per technical clause 301 of MORT&H specifications.(HSR 17.74)

Providing & laying 150 mm Granular Sub-Base with Coarse Graded Material - Grading-I (Table:- 400-2) Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401.of MORT&H specifications. Grading I material (Based on HSR 17.15.1) 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 and applying tack coat with penetration grade bitumen VG - 10 using bitumen pressure distributor at the rate of 0.30 kg per sqm on the prepared bituminous/ granular surface cleaned with mechanical broom as per technical clause 503 of MORT&H specifications (Based on HSR 17.26.2)

Providing and Laying 80 mm thick ISI marked Interlocking Paver Blocks conforming to IS 15658:2006/IRC SP 63: 2004 of all shapes and colours in design mix cement M 40 over the bed of 30 mm thick fine sand complete in all respect.(HSR 17.69.2)

Providing and laying 30 mm bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder VG - 30 @ 5.4% per cent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction complete as per technical clause 507 of per MORTH specifications.(HSR 17.31.4) Note: If bitumen required is this account more than 5.4% as per job mix formula no extra payment will be made, extra bitumen required will be considered as incidental to work.

Constructing brick masonry road gully chambers as per standard drawings (as per sizes given below) including dressing of beds and sides of chambers to exact profiles, 15cm thick lime concrete 16:24:100 (as per specified in item No.10.6) in foundations 1st class brick work laid in cement sand mortar 1 :5, 40 mm thick cement concrete 1 :2:4 topping inside the chamber with a floating coat of 1.5mm thick neat cement laid in one operation to the topping, the entire inner surface of the chamber rendered with neat cement not less than 12mm in thickness of 1 :2 cement sand plaster and finished with floating coat of neat cement 1 mm thick left absolutely smooth polished and correct to templates including labour for fixing the C.I. road gully grating and frame including painting with coal tar (as Specified in item No. Item 21.48) complete to the requirement of the Engineer in-charge Single road gully chamber Size: 610mm x 457mm x 800mm (HSR 21.87.1.1)

Painting Two Coats on New Concrete Surfaces: Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces (HSR 34.49)

Painting with Synthetic enamel of approved brand and manufacture of required to colour give an even One or More coats on old work. (HSR 34.30.1)

Providing and laying of hot applied thermoplastic compound 2.5 mm thick including Reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes. (HSR 34.26) Note:- Before start of work the contractor shall give brand , batch no. , manufacturing date of the material to be used and get approved thbe same from Engineer-In-Charge before use. Note:- Basic rates mentioned in BOQ are inclusive of all taxes (i/c GST), duties, cess, royalties etc. In case of any difference in the unit & nomenclature of any of the HSR Items depicted in this DNIT and that given in HSR, the unit and nomenclature given in HSR shall be applicable.

KALUWALA CONSTRUCTION PRIVATE LIMITED