Restoration of Road cut in Barnala City on Bypassed Internal Portion of Moga Ramgarh Barnala road NH-703 RD 137.250 to 143.300

Amount

Dismantling of bituminious course of flexible pavement by mechanical means and disposal of materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials seprately as per technical clause 202 of MoRT&H specificatins. 5Th Rev. 2013

Dismatling of granular courses of flexible pavements by manual means and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately as per technical clause 202 of MoRT&H specifications. 5Th Rev. 2013

Earthwork for filling the Road Cuts portion in all kinds of soil including all leads and lifts breaking of clods and dressing in camber as per direction of Engineer in charge brought from Av.5 km.distance, the carriage from borrow pits/area, loading unloading at site and laid in layers not exceeding 225 mm compacted thickness including watering and rolling to the desired density complete in all respect inclusive of all sorts of compensation octroi, taxes and allied expenses of earth as per clause 305 MORT&H specification (Vth revision-2013).The embankment shall be constructed in confirming with the lines, grades and typical X-section shown in the drawing or as desired by the Engineer-in-Charge. The through unit rate to be quoted by the Contractor shall be for compacted earth and inclusive of all royalty malkana and tax etc. The soaked CBR value shall not be less than 8.00% earth having liquid limit exceeding 25 & plasticity index exceeding 6% should not be used in berms as per Ministry of Road Transport & Highway specification Vth Revision-2013

Preparation of sub grade in required grade and compacting it to MORT&H specifications, complete in all respects.

Providing laying spreading and compacting Granular Sub Base 250mm thick in two layer 125 mm thick each of (with thinkness of single layer not exceeding 200mm compacted) of natural sand, crushed gravel, crushed stone, crushed slag or combination there of depending upon the grading required. Use of material like brick metal, Kankar & crushed concrete shall be permitted in the lower sub base. The material shall be free from organic or other deleterious constituents and shall confirm to the gading given in Table 400-1 and physical requirements given in Table 400-2 grading III and IV shall preferably be used in lower sub base. Grading V and VI shall be used as sub base-cum-drainage layer. Where the sub base is laid in two layers as upper sub base & lower sub base, the thickness of each layer shall not be less than 150mm transportation of material and spreading on the prepared sub grade with help of motor grader to required slopes and grades with moisture contents 1% to 2% the optimum moisture content and rolling with static smooth wheeled roller (80-100 KN) in case compacted layer does not exceed 100mm and with vibratory roller (of minimum 80-100 KN) for compacted layer not exceeding 250mm to achieve field density not less than 98% if maximum dry density determined in laboratory, checking for

any high spots or depressions which become apparent corrected by removal or adding fresh material, including cost of tools and plants, templates, barriers, lighting arrangements at night maintenance of diversions, regulation of traffic etc. complete in all respects as per MORT&H specification 401, as per drawing, instruction and to the entire satisfaction of Engineer. Quality Control of work and arrangment of traffic shall be maintained as per Section 900 and Clause 112 of MORT&H specifications 5th revision 2013 respectively. The protection of edges of granular sub base extended over the full formation as shown in the drawing shall be considered incidental to the work of providing and laying GSB and no extra payment shall be made for the same. Rate shall be paid as per clause 401.8 of MORT&H specifications. 5Th Revision 2013

Providing, laying, spreading & compacting clean, crushed, graded aggregated & granular material, premixed with water to dense mass on a prepared sub grade/sub base/base or existing pavement as the case may be with the requirtments of these specification. The material shall be laid in one or more layers as necessary to lines, grades & cross sections shown on the approved Drawings or as directed by the engineer. The thickness of single compacted Wet Mix Macadam layer shall not be less then 75mm, when vibrating or other approved types of compacting equipment are used. The compacted depth of a single layer of the sub base course may be upto 200mm with the approval of the engineer. Wet Mix Macadam Shall be prepared in an approved mixing plant to suitable capacity having provision for controlled addition of water and forced/positive mixing arrangement like Pugmill or pan type mixer of concrete batching plant. The thick in suitable two layers of 125mm thick each, with materials conforming to physical requirement laid in Table 400-15 and grading laid in Table 400-14 of MORT&H specifications, spreadings by a Paver Finisher as per clause 406.3.4 to the required thickness, slopes grades and rolling with smooth wheel roller (80-100KN) for compacted single layer does not exceed 200mm and vibratory roller (80-100KN) for layer upto 250mm till density achieved is 98% of maxium dry density in laboratory, checking for any high spot

corrected by removal or adding fresh material including cost of tool and plants, template, barriers, lighting arrangement at night, maintenance of diversion, regulation of traffic etc. complete in all respects as per MORT&H specifications clause No. 406 as per instructions and to the entire satisfaction of Engineer, Arrangment of quality control and traffic arrangement shall be done as per section 900 and clause 112 of Ministry of Road Transport & Highways 5Th revision 2013 respectively.

Providing and applying Prime Coat on road cut portion with bitumen emulsion (SS-2 bulk) on prepared surface of granular (WMM) base including cleaning of road surface and spraying primer at the rate of 0.60 kg / sqm. using mechanical means as per MORT&H specifications 502 complete in all respects. 5Th Revision 2013

Providing and applying tack coat on road cut portion with Bitumen Emulsion bulk (RS-1) before laying 75mm thick DBM as per I:S 8887 with approval of Engineer @ 0.20 Kg. Per Sqm. area over prime coat surface with pneumatic tyred self propelled pressure sprayer equipped arrangement, suitable pump, adequate capacity compressor and spraying bar with nozzles for spraying material uniformly at specified rate including all kind of material and labour inclusive of cleaning of surface free from dust, dirt and any extraneous materials including curing as per requirements including cost of barriers, lighting arrangements at night, maintenance of diversion, and regulation of traffic etc. complete in all respects as per Ministry of Road Transport & Highways specifications Clause No. 503 (Vth - revision 2013) .

Providing and laying of Dense graded Bitumineous Macadam (Grade-2) in single layer of 75mm compacted thickness in a single course on road cut portion after applying tack coat @ 0.20 Kg. per sqm area over the base previously prepared in accordance with Ministry of Road Transport & Highways specifications (Fifth revision) after mixing the aggregates and VG-40 @ 4.50% by weight of total mix in a Electronic operated Hot Mix plant as per apprved mix and laying the same over black top surface with electronic sensor paver in accordance with clause 507 of Ministry of Road Transport & Highways specifications Fifth Revision (2013) for Dense Bitumen Macadam After spreading of the mix as per Clause 501.5.3, the entire surface during the operations shall be rolled with road roller of 8-10 tonne and then 6-8 tonne smooth wheeled tandem roller (static weight) as per Clause 501.6 and 501.7. Through unit rate for this item includes the cost of aggregate, bitumen, fuel for heating bitumen in a boiler, premixing of stone aggregate and bitumen in a Hot Mix Plant and carriage from hot mix plant to site of work, templates, barriers, lighting arrangement and sundries etc. and the execution of the work shall confirm to clause 505of Ministry of Road Trnaport & Highways specifications for Road and Bridge works. 5Th revision 2013

The Dense Bitumen Macadam for the purpose of payments shall be measured in Cubic Metre.

The Contract unit rate shall be as specified in clause 500-9 except the rate shall include the provision of Bitumineous @ 4.5%. If bitumens/Binder Context required is more than as specified in BOQ & MORT&H Spec. 5Th Revision. No extra pament will be made. The extra bitumen/Binder context will be considered as incidental to work.

The contract unit rate for Dense Graded Bitumineous Macadam shall be payment in full for carrying out the required operations as specified. The rate shall include for, all components listed in clause 501.8.8.2(i) to (xi) of Ministry of Road Transport& Highways specification for Road and Bridge works Vth Revision (2013), Before starting the work the contractor shall propose different percentage of different sizes of coarse and fine aggregates which be intends to mix in order to get required grading. The same will be approved by the Engineer in Charge after carrying out the required tests. The proportions so approved shall be termed design Job Mix Formula after approved of Job Mix Formula.

Notes:

1. The execution of Dense graded Bitumineous Macadam will be done only after approval of Job Mix Formula from the competent authority i.e. Engineer- in- Charge.

2. Apart from the conformity with the grading and quality requirement of individual ingredients, the mix aggregate i.e. stone metal, crushed bajri and fine aggregate for Dense Bitumineous Macadam course (Grade-2) for 75 mm thickness shall meet all requirement set forth in Clause 505 of Ministry of Road Transport & Highway Specifications Road & Bridge Works (5Th Rev. 2013).

3. The final grading for aggregates required forn Dense Bitumineous Macadam course (Grade-2) of 75mm thickness confirming to Table500-4 of Ministry of Road Trnaport & Highways specificationfor for Road and Bridge works Vth -Reivision ( 2013) shall be determined by the Engineer-in-Charge after getting Bituminous macadam (Grade-2) designed from either C.R.R.I., New Delhi or Punjab Engineering College, Chandigarh or Punjab P.W.D.Laboratory, Patiala or any other reputed laboratory approved by Chief Engineer, Punjab, PWD B&R Branch, Patiala after obtaining 60% of the materials for the required grading at plant site. The design mix so finally approved by the Engineer-in-Charge shall be termed as approved Job Mix Formula if it is within permissible limits.

4. The approved mix shall exhibit the following details, Source and Location of all materials.

4.1 Bitumen VG-40 expressed as percentage by weight of total mix.

4.2 Stone aggreate of 26.5mm guage expressed as a percentage by weight of total mix.

4.3 Crushed bajri of 11.2mm guage expressed as a percentage by weight of total mix.

4.4 Fine aggregate expressed as a percentage by weight of total mix.

4.5 A single definite percentage passing the each sieve for the mix aggregate.

4.6 Density of Dense Bituminous Macadam in laboratory should not be less than 2.31 gm/cc

5. The contractor thereafter shall be required to complete the supply of various in-gradients mentioned above from an approved quarry/sources as per norms & condition for Dense Bitumineous Macadam course (Grade-2) of 75mm thickness as per proportions stipulated in the approved Job Mix Formula.

6. The contractor, shall start laying work only after achieving the required mixing of temperature of the Mix and same be got duly checked from engineer or his authorized representative.

J.K ASSOCIATES