LONG TERM OUTPUT AND PERFORMANCE BASED ROAD ASSETS MAINTENANCE CONTRACT (OPRMC-III) Package- 14B, Begusarai

Any Contractor registered with the Central Government/ Any State Government or Any PSU or an agency of International or National repute may participate in the tender but registration with the Road Construction Department, Bihar will be essential after issuance of Letter of Acceptance and before execution of Agreement.

(a) through offline mode in the form of Bank Guarantee of Nationalized/ Scheduled Bank duly endorsed/ pledged to Executive Engineer, Road Division Begusarai

Through online mode only i.e. Internet Payment Gateway, Net Banking, NEFT/RTGS etc. Bids along with necessary online payment must be submitted through e-procurement portal https://eproc2.bihar.gov.in before the bid submission end date and the time specified.

Bids should be valid for not less than 180 days after bid submission end date or beyond any period of extension if requested. A Bid valid for a shorter period shall be rejected by the Employer as non-responsive.

No conflicts of interests in accordance with ITB Sub-Clause 4.3.

Copies of original documents defining the constitution or legal status, place of registration, and principal place of business; written power of attorney of the signatory of the bid to commit the Bidder.

Copies of original documents defining the constitution or legal status, place of registration, and principal place of business of the Joint Venture.

On Non-Judicial Stamp Paper of Appropriate Value.

Information regarding litigation.

Information regarding any litigation, arbitration or blacklisting, resulting from contracts executed by the Bidder in the last five years or currently under execution. The information shall include the names of the parties concerned, the disputed amount, cause of litigation, and matter in dispute.

Submission of audited balance sheets acceptable to the Employer, for the last five [5] years to demonstrate the current soundness of the bidders financial position and its prospective long term profitability. The Bidder should have made a Net Profit in any three [3] years in the last five [5] years.

The Bidder should have made a Net Worth not less than 10% of Estimated Cost Value (ECV) in latest financial years of last [5] five years.

Annual Turnover in any one [1] year in last five [5] year must not be less than 40% of the Estimated Cost Value (ECV) (calculated as total certified payments received for Contracts in progress or completed, within the last five [5] years). Note: 1. Financial turnover and cost of completed works of previous financial years shall be given a weighting of 8% per year to update the costs. 2. Year 1 will be the latest completed financial year, preceding the bidding. Year 2 shall be immediately preceding year 1 and so on. In case the Bid Submission date falls within 3 (three) months of the close of the latest financial year, the bidder shall ignore such financial year for the purpose of its bid and furnish all its information and certification with reference to the 5 (five) years preceding its latest financial year i.e. 2025-26. For the avoidance of doubt, financial year shall, for the purpose of the Bid hereunder, mean the accounting year followed by the Bidder in the course of its normal business.

Bidders who meet the minimum Qualifying Criteria stipulated in Clause 2.1 to 2.6 will be qualified, only if, their Available Bid Capacity is more than the Total Bid Value of the Works. The Available Bid Capacity shall be assessed/ calculated as under: Assessed Available Bid Capacity = A x N x 1 - B Where; A = Maximum Value of Civil Construction & Maintenance Works executed in any One [1] year during the last five [5] years updated to the price level of financial year [2026-27] by the Bidder taking into account of the completed as well as works in progress. N = Number of years prescribed for completion of the works for which bids are invited. B = Value updated at the price level of financial year [2026-27] of existing commitments and on-going works to be completed by the bidder during the next 84 months or Sum of the values updated at the price level of financial year of [2026-27] the existing commitments and ongoing works to be completed by each of the JV partner during the next 84 months. However; where the bidders are bidding for more than one [1] Contract Packages, the Value of its other allotted works will be included in the value of ‘B’ and the Employer may write a letter to the bidder to submit self-declaration regarding allotment of new works other than the works declared in the bid. The bidder shall be obliged to submit the above details within the stipulated time and before the date of evaluation of technical bid. Any non-compliance in this regard by the bidder shall be treated as bid non-responsive and shall be liable for rejection of bid. The Bidder is to complete form of Current Contract Commitments as part of their Bid for the determination of this value and Current Contract Commitments must be duly certified by the Engineer-in-charge.

The Bidder must demonstrate access to, or availability of, financial resources such as liquid assets, unencumbered real assets, lines of credit, and other financial means, other than any contractual advance payments to meet: Credit Lines/ Letter of Credit / Solvency Certificates from Banks etc. shall be not less than 10% of the total Estimated Cost Value.

As Per S. No. 14

Experience under Road Maintenance or Improvement Contract or Construction Contract as Contractor/ Sub-Contractor, SBD, CMBD, HAM, EPC, BOT, BOOT (Developers/ Operators) or Civil Works/Management Contractor for at least the last five [5] years prior to the applications submission deadline.

(a) Participation as Contractor, Management Contractor, or Sub-Contractor or BOT, BOOT Developer/Operator with in the last five [5] years, in Road Construction or Maintenance Works Contracts, of which upto two [2] Contracts have a Combined Values not less than 50% of Estimated Cost Value (ECV) and have been successfully completed/ substantially completed. The Works completed must be in similar nature to the Works & Services of the proposed Contract. For the purpose of the above requirement: (i) OPRMC Contracts shall be considered as substantially completed if the Contractor has completed 100% of Minor Improvement Works feasible, 100% of Initial Rectification Works feasible and 100% of Periodic Maintenance Works feasible. (ii) all other types of Contracts shall be considered as substantially completed if the Contractor has completed 90% of the Value of Works.

The Bidder must demonstrate that it has the personnel for the key positions that meet the following requirements. The Bidder should provide the details of the proposed personnel and their experience record using the Forms PER-1 and PER-2 of Section 4, Bidding Forms supported by the experience certificates duly countersigned by the respective clients.

The Bidder shall own at least One Hot Mix Plant (40-60 tonne/hour Capacity) not more than 15 years age. The Bidder must demonstrate & submit the supportive documents that it has or has access to (own/lease/hire etc. and to be procured) the key equipment (machinery) listed as under:

To demonstrate a clear understanding of the requirements of the Contract, Bidders shall provide the following: (i) a bar chart sub-divided into sections for each road showing the major activities to be carried out for Ordinary Maintenance Works, Initial Rectification Works, Periodic Maintenance Works and Minor Improvement Works (separately for Improvement & Strengthening). (ii) activities shall be shown against time, with linkages shown between related/ sequential activities as far as possible and appropriate; (iii) a bar chart or schedule showing the usage of major plant, including those listed in Contractor’s Equipment. Duly supported with equipment planning and deployment, showing with broad calculations justifying the bidder’s capability for the execution and completion of the work as per the technical specifications and within the periods of completion as per the stipulated milestones.

The Bidder shall provide the statements in respect to the following information: (a) Proposed methodology for undertaking Ordinary Maintenance (OM), Initial Rectification (IR), Periodic Maintenance including re-application of Road Marking (PM) and Minor Improvement including Strengthening (MI), and identification of road sections that major activities shall be applied. (b) Details of safety, traffic, environmental management aspects to be adopted by the Bidder. “As per the Checklist provided in Form OM-14 of Technical Specifications.” (c) Bidder’s experience in managing testing of work. (d) Statement indicating whether: i the Bidder accepts the Sample Quality Plan and if so, that the Bidder will provide an updated Quality Plan within the time frame stated in Clause 14.1 of Section 5A, if awarded the Contract; or ii the Bidder does not accept the Sample Quality Plan, in which case the Bidder will be required to provide its own Quality Plan in accordance with and within the time frame stated in 14.1 of Section 5A, and which as a minimum, includes the same level of detail as the Sample Quality Plan and explains the purpose, application, responsibilities and requirements to undertake works in accordance with the intent of the Contract, the general provisions for the occupational health and safety of employees and the public, environmental management requirements and the Statutory Laws of India Statement in respect to the Quality Plan. (e) All Bidders shall provide with their Bid a preliminary description of the proposed work method and program and resource schedules, including drawings and charts, as necessary.

As Per NIT

(a) Bidders will have to declare by affidavit that they have not been declared defaulter/rescinded/debarred/blacklisted by the State Govt./Central Govt./Public Undertaking. If such affidavit is subsequently found to be false, their tender shall not be considered and further legal action shall be initiated.

Works Under Package14B/ OPRMC-III/ Begusarai

84 Months

As per NIT

Quantity

84 months

Description of Item

In fig.

Repairs to bituminous carriage way wherever required to bring the specified service level for the damages pot holes, rut, cracks & depressions, delaminating, stripping, edge breaking, dig out etc. and any additional activity necessary to achieve the service level objective.

Removal of jungle on both sides of the road to bring the service level by uprooting and burn to ashes (Clause 201)- Clearing & Grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness, except forestation work done by other Government agencies.

Description of Item

In fig.

Providing Periodic Maintenance to Single and Intermediate Lanes including profile correction with the following items of works to obtain the required service level.

Description of Item

In fig.

Providing Re-Application of Thermoplastic Edge Line Marking at interval of minimum 2 years of previous application (including the road marking carried out under the Periodic Maintenance Works) in Single & Intermediate Lanes including auxiliary items as per the MORTH/ IRC latest Specifications & as per direction of Engineer-in-charge.

Description of Item

In fig.

Earthwork in excavation in foundation trenches or drains (not exceeding 1.5M in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5m including getting out the excavated soil and disposal of surplus excavated soil as

Providing local sand filling in foundation trenches –do—do—all complete as per specification and direction of E/I. UnderPaver Block

Providing & laying 80mm thick factory made Cement Concrete Paver Block of M40 Grade ----do----do----all complete job.

Plain/ Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications . PCC Grade M15

Construction of Embankment with approved material obtained from Borrow pits with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 3

Furnishing and installing of the Geosynthetics mat for control of erosion of slopes including supplying and laying the mat, spreading soil and seeding to promote the design of vegetation, watering and all other incidentals including all other items to com

Furnishing and installing of the Geocell for slope protection including fixing and anchoring of cells in the ground, preparation of ground, filling of cells with specified materials, seeding, watering and all other incidentals including all other items to

Brick masonry work in 1:3 in substructure complete excluding pointing and plastering, as per drawing and Technical Specifications

Plastering with cement mortar (1:3) on brick work in substructure as per technical specifications

Painting with enamel Paint on brick work in substructure as per technical specifications

Guniting concrete surface with cement mortar applied with compressor after cleaning surface and spraying with epoxy complete as per Technical Specification.

Scraping plaster in lime or cement mortar from Brick/Stone Masonry

Brick masonry work in 1:3 in substructure complete excluding pointing and plastering, as per drawing and Technical Specifications

Dismantling of existing structures \ masonry, cement concrete, \ work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres Cement Concrete Grade M-15 & M-20 (By Mechanical means )

Plain/ Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications RCC Grade M20 using batching plant , transit mixer & manual placing

Supplying ,Fitting and Placing un-coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications.

Providing and fixing M.S.grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete. Grill Size (6.00 m x 0.900m) Each

Providing and fixing ISI marked oxidised M.S. handles conforming to IS :4992 with necessary screws etc. complete:75 mm

Plastering with cement mortar (1:3) on brick work in substructure as per technical specifications

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade Two or more coats on new work over an under coat of suitable shade with ordinary pain+ of approved brand and manufacture

Direction and Place Identification signs above 0.9 sqm size board. (Providing and erecting direction and place identification retro-reflectorised sign asper IRC:67 made of encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium

Type - A, "W" : Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 811)

Road Delineators (Supplying and installation of MS delineators (Road way indicators, hazard markers, object markers), 80-100 cm high above ground level, painted black and white in 15 cm wide strips, fitted with 80 x 100 mm rectangular or 75 mm dia circular reflectorised panels at the top, buried or pressed into the ground and conforming to IRC-79 and the drawings. MS Delineator made of Mild steel with pure polyester powder coating with the minimum thickness of powder coating of not less than 40 micron for protection against corrosion. The surface should be concealed so that there should not be any exposed surface without powder coating. Alternatively,these metal guide poles can be concealed with thermoplastic body. The posts shall have fan ellipsoidal or circular design with the height of the pole shall be 800 to 900 mm above the ground with about 200 to 300 mm base which can be anchored onto ground. Mild steel Guide poles shall conform to Type XI sheeting specifications as per IRC:67 and ASTM D4956 which would ensure to obtain clear visibility of the road alignment during night time. The retro reflective sheeting shall be tested for a certificate of having the sheeting tested for coefficient of retro reflection, daytime colour and luminance, shrinkage, flexibility, linear removal, adhesion, impact resistance, specular gloss and fungus resistance, 3 years outdoor weathering and its having passed these tests shall be obtained from International/Goverment Laboratory/Institute by the manufacturer of the sheeting and in case the certificate is obtained from international condition, it should also be obtained from indian condition within 3 years of launching of product by the manufacture in abroad.Alternatively, a certificate conforming to ASTM specification (D4956-09) on artificial accelerated weathering requirements from a reputed laboratory in India can be accepted provisionally.In such a situation, the Employer/Client, if so desires could seek for a performance guarantee which would released after receipt a certificate meeting the requirement of three years outdoor weathering of the sheeting as per IRC 67:2012 & proof of the same report shall be uploaded while quoting tendor.

Rumble Strips (Provision of 15 nos rumble strips covered with premix bituminous carpet, 15-20 mm high at center, 250 mm wide placed at 1 m center to center at approved locations to control speed, marked with white strips of road marking paint.)

Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres,stacking serviceable and unserviceable materials separately.(By Mechanical Means) Bituminous Course

Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres,stacking serviceable and unserviceable materials separately.(By Mechanical Means) Bituminous Course

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

Providing and laying dense graded bituminous macadam with higher capacity batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder @4.5 percent by weight of total 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 as per MORT&H specification clause no. 505 complete in all respects.

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

Providing and laying 25 mm thick mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-39, prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing antiskid surface with bitumen precoated fine grained hard stone chipping of 13.2 mm nominal size at the rate of 0.005 cum per 10sqm and at an approximate spacing of 10cm center to center in both directions, pressed into surface when the temperature of surfaces is not less than 1000c, protruding 1mm to 4mm over mastic surface, all complete as per clause 516.

Works Under Package14B/ OPRMC-III/ Begusarai

84 Months

As per NIT

Quantity

84 months

Description of Item

In fig.

Repairs to bituminous carriage way wherever required to bring the specified service level for the damages pot holes, rut, cracks & depressions, delaminating, stripping, edge breaking, dig out etc. and any additional activity necessary to achieve the service level objective.

Removal of jungle on both sides of the road to bring the service level by uprooting and burn to ashes (Clause 201)- Clearing & Grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness, except forestation work done by other Government agencies.

Description of Item

In fig.

Providing Periodic Maintenance to Single and Intermediate Lanes including profile correction with the following items of works to obtain the required service level.

Description of Item

In fig.

Providing Re-Application of Thermoplastic Edge Line Marking at interval of minimum 2 years of previous application (including the road marking carried out under the Periodic Maintenance Works) in Single & Intermediate Lanes including auxiliary items as per the MORTH/ IRC latest Specifications & as per direction of Engineer-in-charge.

Description of Item

In fig.

Earthwork in excavation in foundation trenches or drains (not exceeding 1.5M in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5m including getting out the excavated soil and disposal of surplus excavated soil as

Providing local sand filling in foundation trenches –do—do—all complete as per specification and direction of E/I. UnderPaver Block

Providing & laying 80mm thick factory made Cement Concrete Paver Block of M40 Grade ----do----do----all complete job.

Plain/ Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications . PCC Grade M15

Construction of Embankment with approved material obtained from Borrow pits with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 3

Furnishing and installing of the Geosynthetics mat for control of erosion of slopes including supplying and laying the mat, spreading soil and seeding to promote the design of vegetation, watering and all other incidentals including all other items to com

Furnishing and installing of the Geocell for slope protection including fixing and anchoring of cells in the ground, preparation of ground, filling of cells with specified materials, seeding, watering and all other incidentals including all other items to

Brick masonry work in 1:3 in substructure complete excluding pointing and plastering, as per drawing and Technical Specifications

Plastering with cement mortar (1:3) on brick work in substructure as per technical specifications

Painting with enamel Paint on brick work in substructure as per technical specifications

Guniting concrete surface with cement mortar applied with compressor after cleaning surface and spraying with epoxy complete as per Technical Specification.

Scraping plaster in lime or cement mortar from Brick/Stone Masonry

Brick masonry work in 1:3 in substructure complete excluding pointing and plastering, as per drawing and Technical Specifications

Dismantling of existing structures \ masonry, cement concrete, \ work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres Cement Concrete Grade M-15 & M-20 (By Mechanical means )

Plain/ Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications RCC Grade M20 using batching plant , transit mixer & manual placing

Supplying ,Fitting and Placing un-coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications.

Providing and fixing M.S.grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete. Grill Size (6.00 m x 0.900m) Each

Providing and fixing ISI marked oxidised M.S. handles conforming to IS :4992 with necessary screws etc. complete:75 mm

Plastering with cement mortar (1:3) on brick work in substructure as per technical specifications

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade Two or more coats on new work over an under coat of suitable shade with ordinary pain+ of approved brand and manufacture

Direction and Place Identification signs above 0.9 sqm size board. (Providing and erecting direction and place identification retro-reflectorised sign asper IRC:67 made of encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium

Type - A, "W" : Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 811)

Road Delineators (Supplying and installation of MS delineators (Road way indicators, hazard markers, object markers), 80-100 cm high above ground level, painted black and white in 15 cm wide strips, fitted with 80 x 100 mm rectangular or 75 mm dia circular reflectorised panels at the top, buried or pressed into the ground and conforming to IRC-79 and the drawings. MS Delineator made of Mild steel with pure polyester powder coating with the minimum thickness of powder coating of not less than 40 micron for protection against corrosion. The surface should be concealed so that there should not be any exposed surface without powder coating. Alternatively,these metal guide poles can be concealed with thermoplastic body. The posts shall have fan ellipsoidal or circular design with the height of the pole shall be 800 to 900 mm above the ground with about 200 to 300 mm base which can be anchored onto ground. Mild steel Guide poles shall conform to Type XI sheeting specifications as per IRC:67 and ASTM D4956 which would ensure to obtain clear visibility of the road alignment during night time. The retro reflective sheeting shall be tested for a certificate of having the sheeting tested for coefficient of retro reflection, daytime colour and luminance, shrinkage, flexibility, linear removal, adhesion, impact resistance, specular gloss and fungus resistance, 3 years outdoor weathering and its having passed these tests shall be obtained from International/Goverment Laboratory/Institute by the manufacturer of the sheeting and in case the certificate is obtained from international condition, it should also be obtained from indian condition within 3 years of launching of product by the manufacture in abroad.Alternatively, a certificate conforming to ASTM specification (D4956-09) on artificial accelerated weathering requirements from a reputed laboratory in India can be accepted provisionally.In such a situation, the Employer/Client, if so desires could seek for a performance guarantee which would released after receipt a certificate meeting the requirement of three years outdoor weathering of the sheeting as per IRC 67:2012 & proof of the same report shall be uploaded while quoting tendor.

Rumble Strips (Provision of 15 nos rumble strips covered with premix bituminous carpet, 15-20 mm high at center, 250 mm wide placed at 1 m center to center at approved locations to control speed, marked with white strips of road marking paint.)

Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres,stacking serviceable and unserviceable materials separately.(By Mechanical Means) Bituminous Course

Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres,stacking serviceable and unserviceable materials separately.(By Mechanical Means) Bituminous Course

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

Providing and laying dense graded bituminous macadam with higher capacity batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder @4.5 percent by weight of total 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 as per MORT&H specification clause no. 505 complete in all respects.

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

Providing and laying 25 mm thick mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-39, prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing antiskid surface with bitumen precoated fine grained hard stone chipping of 13.2 mm nominal size at the rate of 0.005 cum per 10sqm and at an approximate spacing of 10cm center to center in both directions, pressed into surface when the temperature of surfaces is not less than 1000c, protruding 1mm to 4mm over mastic surface, all complete as per clause 516.