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| 1 | (1) Mailoo basti to Hawaipur Railway Station via Wireless Basti ( From Ch. 0.00 m to Ch. 5100.00 m) :- Clearing and 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 materials to beused or auctioned up to lead of 1000metres including removal and disposal of top organic soil not exceeding 150mm thickness.(i) By Manual Means(a) In area of non thorny jungle |
| 2 | Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of stone masonry, including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per Technical Specification Clause 202. 1000 metres(ii)Rubble Stone Masonry in Cement Mortar(b) Rubble stone masonry in cement mortar. |
| 3 | Removing all types of Hume pipes and stacking within a lead of 1000 m including Earthwork and Dismantling of Masonry Works as per Technical Specification Clause 202(ii)Above 600 mm to 900 mm dia Hume pipe |
| 4 | Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and comp g actin to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5(a) from private land |
| 5 | Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1.(a) From Private Land |
| 6 | (A) By Mix in Place MethodConstruction of granular sub-base by providing well 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 smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401 (including carriage of material from quarry to site of work with all lead and lift and payment of FR ,VAT etc completeand as directed by the Department)(ii) for grading- II Material |
| 7 | II. WBM Grading 2Using stone screening Type-B 11.2 mm for Gr.IIProviding, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing packing, rolling rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 2 as per Technical Specification Clause 405 (including carriage of material from quarry to site of work with all lead and lift and payment of FR ,VAT etc completeand as directed by the Department) A. By Manual Means |
| 8 | II. WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.IIIProviding, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (including carriage of material from quarry to site of work with all lead and lift and payment of FR ,VAT etc completeand as directed by the Department) A. By Manual Means |
| 9 | 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 0.90- 1.2 kg/sqm using mechanical means as per Technical (ii) Medium PorositySpecification Clause 502. |
| 10 | 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 dry and hungry bit i f l d ith H d li b T hi l S ifi tibituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503 |
| 11 | 20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder 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 androlling 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. (including carriage of material from quarry to site of work with all lead and lift and payment of FR ,VAT etc completeand as directed by the Department) Case - I: By Manual Means i) Bitumen (S-90) |
| 12 | 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(including carriage of material from quarry to site of work with all lead and lift and payment of FR ,VAT etc completeand as directed by the Department)A. By Manual Means, Case - I : Type A,i) Bitumen (S-90) |
| 13 | (i) Providing and laying interlocking concrete block pavement with M40 grade grade of concrete blocks having thickness 80mm as per technical specification clause 1504 complete including carriage.a) Including Edge block/ Edge restraints |
| 14 | Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 80 ( ii) 60cm equilateral traingle |
| 15 | Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 80(iii) 60cm circular |
| 16 | Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 80 (v) 60cmm x 45 cm square |
| 17 | Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 80 (vi) 60cmm x 60 cm square |
| 18 | Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 80(vii) 90cm High Octagon |
| 19 | A. Retro-reflectorised Traffic Signs(I) Providing and erecting direction and place identification retro-reflectorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701 |
| 20 | 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 and conforming to the MoSrt&H specifications |
| 21 | Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703 i) 5th Kilometre Stone (precast) |
| 22 | Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703ii) Ordinary Kilometer Stone (Precast) |
| 23 | Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703iii) 200 m stone (precast) |
| 24 | Reinforced cement concrete M15 grade boundary pillars/local stone of standard design as per IRC:25, fixed in position including finishing and lettering but excluding painting as per drawing and Technical Specification Clause 1704 |
| 25 | Providing and fixing of road stud 100 x 100 mm die cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lense reflectors, installed in concrete or asphaltic surface by drilling holes 30 mm upto a depth of 600 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BS:873 (Part 4) 1973. |
| 26 | HPC Single :- Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removalof stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.,I. Ordinary soil,Upto 3 m depth |
| 27 | Bedding of pipe(A) Type A (Concrete Cradle) Bedding(i) Laying concrete cradle bedding with M15 Grade Cement Concrete as per Clause 1105 |
| 28 | Plain Cement Concrete M10 (1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawings & Technical Specification Clause 1109 |
| 29 | Providing and Laying Reinforced Cement Concrete Pipe NP3 as per design in Single RowProviding and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106.ii) 1000 mm dia |
| 30 | Stone Masonry Workin cement mortar in foundation of Head walls complete as per drawing and technical specification Clasue 1109 A. In 1:4 cement mortar |
| 31 | Plastering with Cement Mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification |
| 32 | Backfilling in Foundation Trenches as per drawing and technical specification Clause 1108 |
| 33 | HPC Double :- Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removalof stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.,I. Ordinary soil,Upto 3 m depth |
| 34 | Bedding of pipe(A) Type A (Concrete Cradle) Bedding(i) Laying concrete cradle bedding with M15 Grade Cement Concrete as per Clause 1105 |
| 35 | Plain Cement Concrete M10 (1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawings & Technical Specification Clause 1109 |
| 36 | Providing and Laying Reinforced Cement Concrete Pipe NP3 as per Design in Double RowProviding and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in double row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets as per Clause 1106.B) 1000 mm dia |
| 37 | Stone Masonry Workin cement mortar in foundation of Head walls complete as per drawing and technical specification Clasue 1109 A. In 1:4 cement mortar |
| 38 | Plastering with Cement Mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification |
| 39 | Backfilling in Foundation Trenches as per drawing and technical specification Clause 1108 |
| 40 | (2) Umkhirmi near APBN camp to Umkhirmi Somaton road ( from Ch. 0.00 m to Ch. 2500.00 m ) :- Clearing and 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 materials to beused or auctioned up to lead of 1000metres including removal and disposal of top organic soil not exceeding 150mm thickness.(i) By Manual Means(a) In area of non thorny jungle |
| 41 | Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of stone masonry, including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per Technical Specification Clause 202. 1000 metres(ii)Rubble Stone Masonry in Cement Mortar(b) Rubble stone masonry in cement mortar. |
| 42 | Removing all types of Hume pipes and stacking within a lead of 1000 m including Earthwork and Dismantling of Masonry Works as per Technical Specification Clause 202(ii)Above 600 mm to 900 mm dia Hume pipe |
| 43 | Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross-sections, and transporting to the embankment location with a lift upto 1.5 m and lead upto 1000 m as per Technical Specification Clause 302.3 i)Ordinary Soil(iii) Excavation in Soil using Hydraulic Excavator and Tippers with disposal upto 1000 m |
| 44 | Construction of Embankment with Material Obtained from Roadway Cutting:Construction of embankment 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 Tables 300.1 and 300.2 as per Technical Specification Clause 301.5 |
| 45 | Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1.(a) From Private Land |
| 46 | (A) By Mix in Place MethodConstruction of granular sub-base by providing well 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 smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause401(including carriage of material from quarry to site of work with all lead and lift and payment of FR ,VAT etc completeand as directed by the Department) (ii) for grading- II Material |
| 47 | II. WBM Grading 2Using stone screening Type-B 11.2 mm for Gr.IIProviding, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing packing, rolling rolling with smooth wheel roller 80-100 kN in stages to propergrade and camber, applying and brooming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 2 as per Technical Specification Clause 405(including carriage of material from quarry to site of work with all lead and lift and payment of FR ,VAT etc completeand as directed by the Department) A. By Manual Means |
| 48 | II. WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.IIIProviding, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405.(including carriage of material from quarry to site of work with all lead and lift and payment of FR ,VAT etc completeand as directed by the Department) A. By Manual Means |
| 49 | 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 0.90- 1.2 kg/sqm using mechanical means as per TechnicalSpecification Clause 502.ii) Medium porosity |
| 50 | 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 dry and hungry bit i f l d ith H d li b T hi l S ifi tibituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503 |
| 51 | 20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) BinderProviding, 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 androlling 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.(including carriage of material from quarry to site of work with all lead and lift and payment of FR ,VAT etc completeand as directed by the Department) Case - I: By Manual Meansi) Bitumen (S-90) |
| 52 | 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(including carriage of material from quarry to site of work with all lead and lift and payment of FR ,VAT etc completeand as directed by the Department) A. By Manual MeansCase - I : Type Ai) Bitumen (S-90) |
| 53 | Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 80 ( ii) 60cm equilateral traingle |
| 54 | Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 80(iii) 60cm circular |
| 55 | Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 80 (v) 60cmm x 45 cm square |
| 56 | Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 80 (vi) 60cmm x 60 cm square |
| 57 | Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 80(vii) 90cm High Octagon |
| 58 | Direction and Place Identification signs upto 0.9 sqm size board:A. Retro-reflectorised Traffic Signs(I) Providing and erecting direction and place identification retro-reflectorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701 |
| 59 | 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 and conforming to the MoSrt&H specifications |
| 60 | Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703 i) 5th Kilometre Stone (precast) |
| 61 | Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703ii) Ordinary Kilometer Stone (Precast) |
| 62 | Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703iii) 200 m stone (precast) |
| 63 | Reinforced cement concrete M15 grade boundary pillars/local stone of standard design as per IRC:25, fixed in position including finishing and lettering but excluding painting as per drawing and Technical Specification Clause 1704 |
| 64 | Providing and fixing of road stud 100 x 100 mm die cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lense reflectors, installed in concrete or asphaltic surface by drilling holes 30 mm upto a depth of 600 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BS:873 (Part 4) 1973. |
| 65 | HPC Single :- Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removalof stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.I. Ordinary soilUpto 3 m depth |
| 66 | Bedding of pipe(A) Type A (Concrete Cradle) Bedding(i) Laying concrete cradle bedding with M15 Grade Cement Concrete as per Clause 1105 |
| 67 | Plain Cement Concrete M10 (1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawings & Technical Specification Clause 1109 |
| 68 | Providing and Laying Reinforced Cement Concrete Pipe NP3 as per design in Single RowProviding and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106.ii) 1000 mm dia |
| 69 | Stone Masonry Workin cement mortar in foundation of Head walls complete as per drawing and technical specification Clasue 1109 A. In 1:4 cement mortar |
| 70 | Plastering with Cement Mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification |
| 71 | Backfilling in Foundation Trenches as per drawing and technical specification Clause 1108 |
| 72 | Drain: Excavation for Structures : Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removalof stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.I. Ordinary soilii)Upto 3 m depth |
| 73 | Plain Cement Concrete M10 (1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawings & Technical Specification Clause 1109 |
| 74 | Stone Masonry Workin cement mortar in foundation of Head walls complete as per drawing and technical specification Clasue 1109 |
| 75 | Plastering with Cement Mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification |
