WARD 5 -Road maintenance from the TTI school to Bypass, the front side to the Alan Pala and the Railway Line Road Maintenance

Amount

APP-A Drainage Maintenance, Side concreting and Chappath concrete

2.1.1 : Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5m in width as well as 10 sqm on plan including disposal of excavated earth up to 50 m and lift up to 1.5 m, disposed soil to be levelled and neatly dressed:All Kinds of soil

4.1.8 : Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size)

4.1.3 : Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

15.2.2 : Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:4:8 leaner mix ( including equivalent design mix)

4.3.1 : Centering and shuttering including strutting, propping etc. and removal of form work for:Foundations, footings, bases for columns

od33423/2019_2020 : Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:<br>1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate40 mm nominal size)

Appendix. B Tarring

4.9 : Wet Mix Macadam <br> Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406. <br> By Mechanical Means with 1 km lead

3.15.1 : Compacting Original Ground <br> (i) Compacting original ground supporting embankment <br> Loosening, Levelling and Compacting original ground supporting embankment to facilitate placement of first layer of embankment, scarified to a depth of 150 mm, mixed with water at OMC and then compacted by rolling so as to achieve minimum dry density as given in Tables 300.1 and 300.2 for embankment construction as per Technical Specification Clause 301.4.1.

75.5.1.1pb : Prime Coat - Low porosity - With Packed Bitumen Rates <br> Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502

75.5.2.3pb : Tack Coat - With Packed Bitumen Rates <br> Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503.

75.5.5.A.1pb : Modified Penetration Macadam 50 mm thick using Bitumen S-65 - Packed Bitumen Rates <br> Construction of penetration macadam over prepared base by providing a layer of compacted crushed coarse aggregate using chips spreader with alternate applications of bituminous binder and key aggregates and rolling with a three wheel 80-100 kN static roller to achieve the desired degree of compaction as per Technical Specification Clause 506.

75.5.2.1pb : Tack Coat - With Packed Bitumen Rates <br> Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

75.5.12.A.3.2pb : Seal Coat - Manual Means - Type C - Bitumen S-65 - Packed Bitumen Rates <br> Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 <br> A. By Manual Means <br> Case III : Type C <br> (II) Bitumen (S-65)

75.5.9.2.2.Pa : Plastic Roads - Bitumen S-65 <br> 20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder <br> Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508 (with 7% of bitumen replaced by shredded waste plastic) <br> Case - I By Manual Means <br> (II) Bitumen (S-65) (VG - 30)

Bidder Name

Simon P.J.