đThe Basic Design Concepts of Highway Road Construction
đˇ1. Design Speed
âşThis is the speed used by engineers to design curves, gradients, visibility, and safety features.
âşHigher design speed = smoother curves and gentler slopes.
đˇ2. Traffic Volume & Capacity
âşEngineers study:How many vehicles use the road per day
Future increase in traffic
This helps decide number of lanes, lane width, and pavement thickness.
đˇ3. Road Alignment
âşRoad alignment means the position of the road on the ground.
đ§It has two parts:
âď¸a) Horizontal Alignment
Curves and straight sections seen from above.
âď¸b) Vertical Alignment
Slopes and hills seen from the side.
đGood alignment gives:Safety,Comfort and Proper drainage
đˇ4. Cross-Section Elements
These are the physical parts of the road:
âşCarriageway (driving lanes)
âşShoulders
âşMedian
âşSide slopes
âşDrains
âşProper cross-section ensures stability and safety.
đˇ5. Pavement Design
âşPavement must carry traffic loads without failure.
đ°Two main pavement types:
âşFlexible (Asphalt)
âşRigid (Concrete)
âď¸Design considers:
âşTraffic load
âşSoil strength
âşClimate
đˇ6. Subgrade and Soil Strength
âşThe soil below the pavement must be strong and well-compacted.
âşWeak soil â thick pavement or soil improvement needed.
Tests include CBR and compaction tests.
đˇ7. Drainage Design
âşWater is the enemy of roads.
âşGood drainage prevents:Potholes,Cracking,Weak subgrade,Drainage includes side drains, culverts, camber (slope), and ditches.
đˇ8. Geometric Design
âşGeometric design ensures vehicles move safely and comfortably.
đIncludes:
âşLane width
âşShoulder width
âşSight distance
âşSuperelevation (banking of curves)
âşGradient (slope of road)
đˇ9. Materials Selection
âşGood materials give long road life.
đEngineers choose:
âşStrong aggregates
âşProper asphalt mix
âşConcrete grade
âşQuality soil
âşTesting is done before use.
đˇ10. Safety Design Features
đIncludes:
âşGuardrails
âşRoad signs
âşMarkings
âşCrash barriers
âşLighting Designed to reduce accidents and protect road users.
đˇ11. Environmental & Social Considerations
âşRoad design must consider:
âşNoise
âşDust
âşLand use
âşImpact on communities
Protected areas
đˇ12. Cost & Maintenance Planning
âď¸Engineers plan:
âşConstruction cost
âşFuture maintenance
âşLife-cycle cost
âşGood design reduces
âşlong-term repair expenses.
@etconp
đˇ1. Design Speed
âşThis is the speed used by engineers to design curves, gradients, visibility, and safety features.
âşHigher design speed = smoother curves and gentler slopes.
đˇ2. Traffic Volume & Capacity
âşEngineers study:How many vehicles use the road per day
Future increase in traffic
This helps decide number of lanes, lane width, and pavement thickness.
đˇ3. Road Alignment
âşRoad alignment means the position of the road on the ground.
đ§It has two parts:
âď¸a) Horizontal Alignment
Curves and straight sections seen from above.
âď¸b) Vertical Alignment
Slopes and hills seen from the side.
đGood alignment gives:Safety,Comfort and Proper drainage
đˇ4. Cross-Section Elements
These are the physical parts of the road:
âşCarriageway (driving lanes)
âşShoulders
âşMedian
âşSide slopes
âşDrains
âşProper cross-section ensures stability and safety.
đˇ5. Pavement Design
âşPavement must carry traffic loads without failure.
đ°Two main pavement types:
âşFlexible (Asphalt)
âşRigid (Concrete)
âď¸Design considers:
âşTraffic load
âşSoil strength
âşClimate
đˇ6. Subgrade and Soil Strength
âşThe soil below the pavement must be strong and well-compacted.
âşWeak soil â thick pavement or soil improvement needed.
Tests include CBR and compaction tests.
đˇ7. Drainage Design
âşWater is the enemy of roads.
âşGood drainage prevents:Potholes,Cracking,Weak subgrade,Drainage includes side drains, culverts, camber (slope), and ditches.
đˇ8. Geometric Design
âşGeometric design ensures vehicles move safely and comfortably.
đIncludes:
âşLane width
âşShoulder width
âşSight distance
âşSuperelevation (banking of curves)
âşGradient (slope of road)
đˇ9. Materials Selection
âşGood materials give long road life.
đEngineers choose:
âşStrong aggregates
âşProper asphalt mix
âşConcrete grade
âşQuality soil
âşTesting is done before use.
đˇ10. Safety Design Features
đIncludes:
âşGuardrails
âşRoad signs
âşMarkings
âşCrash barriers
âşLighting Designed to reduce accidents and protect road users.
đˇ11. Environmental & Social Considerations
âşRoad design must consider:
âşNoise
âşDust
âşLand use
âşImpact on communities
Protected areas
đˇ12. Cost & Maintenance Planning
âď¸Engineers plan:
âşConstruction cost
âşFuture maintenance
âşLife-cycle cost
âşGood design reduces
âşlong-term repair expenses.
@etconp
â¤15
đJOB VACANCY
đ§ applicants can apply inperson to the below address within 3 consequative days from the date of this announcement upto Nov 26, 2025 Any application after the deadline is not acceptable!!!
đAddress: AGY Construction PLC, Arround Urael Beside Bambis Supermarket, Afework Building, 8th Floor
@etconp
đ§ applicants can apply inperson to the below address within 3 consequative days from the date of this announcement upto Nov 26, 2025 Any application after the deadline is not acceptable!!!
đAddress: AGY Construction PLC, Arround Urael Beside Bambis Supermarket, Afework Building, 8th Floor
@etconp
đ7â¤3
á¨á¨áł
á á˛áľ ááá á áłá 13 áá 2018
á. á ááľá áá á¨á°áá°á°
https://t.me/ETCONpWORK
@etconp
á á˛áľ ááá á áłá 13 áá 2018
á. á ááľá áá á¨á°áá°á°
https://t.me/ETCONpWORK
@etconp
á¨á¨áł
á á˛áľ ááá á áłá 13 áá 2018
á. á ááľá áá á¨á°áá°á°
https://t.me/ETCONpWORK
@etconp
á á˛áľ ááá á áłá 13 áá 2018
á. á ááľá áá á¨á°áá°á°
https://t.me/ETCONpWORK
@etconp
â¤2
á¨á¨áł
á á˛áľ ááá á áłá 14 áá 2018
á. á ááľá áá á¨á°áá°á°
https://t.me/ETCONpWORK
@etconp
á á˛áľ ááá á áłá 14 áá 2018
á. á ááľá áá á¨á°áá°á°
https://t.me/ETCONpWORK
@etconp
â¤1
á¨á¨áł
á á˛áľ ááá á áłá 14 áá 2018
á. á ááľá áá á¨á°áá°á°
https://t.me/ETCONpWORK
@etconp
á á˛áľ ááá á áłá 14 áá 2018
á. á ááľá áá á¨á°áá°á°
https://t.me/ETCONpWORK
@etconp
á¨á¨áł
á á˛áľ ááá á áłá 14 áá 2018
á. á ááľá áá á¨á°áá°á°
https://t.me/ETCONpWORK
@etconp
á á˛áľ ááá á áłá 14 áá 2018
á. á ááľá áá á¨á°áá°á°
https://t.me/ETCONpWORK
@etconp
đ˘1
á¨á¨áł
á á˛áľ ááá á áłá 15 áá 2018
á. á ááľá áá á¨á°áá°á°
https://t.me/ETCONpWORK
@etconp
á á˛áľ ááá á áłá 15 áá 2018
á. á ááľá áá á¨á°áá°á°
https://t.me/ETCONpWORK
@etconp
â¤2đĽ1
đá áááá˝ áá°áááŁáł ááááŁáľ á áĽáŤááłááą á¨ááááľ á áááľ áá ááŤáá á¨áááŁá¸á ááłáŽá˝ áĽáá!
đŤá á¨á°áá ááľáĽ áŤá á¨ááááľ á áááśá˝ (Type/Hierarchy) ᣠáľááľ (Street Width) ᣠáááŁáł á¨ááááľ á¨ááá¨á áááľ (setback) áĽáá˛áá á á°áťáťáá á¨ááŹáľ á á ááá ááá áá°á¨áľ á áá áááłá¸á áá á áŤáłá¸á á¨ááááľ ááááľ áŤáá¸á áŁááááłáá˝ áá°áááŁáł ááááŁáľ á áĽáŤááłááą á¨ááááľ á áááľ áá ááŤáá á¨áááŁá¸áá á¨á´áľáŁá á áá á᪠áá á°á á¨áŚáł áľááľ(Plat Area) áĽá á¨ááľ áá áł (Plot Frontage) á á°ááá¨á° á¨áá¨á°ááá á°ááľááá¤
đˇáááááśá˝áĄ- áá¨á°áá˝á á¨ááł á¨ááá á áá á¨á°á¨á°á á áá áááŁáł ááłá áá á áá!
âşá°á¨áá¸áá á¨á á á áááŁáłáá˝ ááἠá¨á¨á°á áá áł!
âşá á á ááŁáŞááľ á¨áľááĄá á¨á°áááľ ááááľ áá!
âşá¨á´áľ áŁá á á ááááá á¨á°á¨áá á¨á¨á°á ááľááľ áá°á¨áľ áá!
á¨á°áťáťáá á¨á á˛áľ á á ᣠá¨á°á á áľá°áłá°á áááŁáłáá˝ á¨ááááľ á¨áááŤá¸áá áááľ áĽá á°áŤáŤá á¨áááŁáł áááľ áááŞáŤáá˝ á¨á°ááá ááłá á¨á°áá°á°á˘
Via áááá áááľ á˘áŽ
@etconp
đŤá á¨á°áá ááľáĽ áŤá á¨ááááľ á áááśá˝ (Type/Hierarchy) ᣠáľááľ (Street Width) ᣠáááŁáł á¨ááááľ á¨ááá¨á áááľ (setback) áĽáá˛áá á á°áťáťáá á¨ááŹáľ á á ááá ááá áá°á¨áľ á áá áááłá¸á áá á áŤáłá¸á á¨ááááľ ááááľ áŤáá¸á áŁááááłáá˝ áá°áááŁáł ááááŁáľ á áĽáŤááłááą á¨ááááľ á áááľ áá ááŤáá á¨áááŁá¸áá á¨á´áľáŁá á áá á᪠áá á°á á¨áŚáł áľááľ(Plat Area) áĽá á¨ááľ áá áł (Plot Frontage) á á°ááá¨á° á¨áá¨á°ááá á°ááľááá¤
đˇáááááśá˝áĄ- áá¨á°áá˝á á¨ááł á¨ááá á áá á¨á°á¨á°á á áá áááŁáł ááłá áá á áá!
âşá°á¨áá¸áá á¨á á á áááŁáłáá˝ ááἠá¨á¨á°á áá áł!
âşá á á ááŁáŞááľ á¨áľááĄá á¨á°áááľ ááááľ áá!
âşá¨á´áľ áŁá á á ááááá á¨á°á¨áá á¨á¨á°á ááľááľ áá°á¨áľ áá!
á¨á°áťáťáá á¨á á˛áľ á á ᣠá¨á°á á áľá°áłá°á áááŁáłáá˝ á¨ááááľ á¨áááŤá¸áá áááľ áĽá á°áŤáŤá á¨áááŁáł áááľ áááŞáŤáá˝ á¨á°ááá ááłá á¨á°áá°á°á˘
Via áááá áááľ á˘áŽ
@etconp
â¤3đĽ1
đááľáŤ á°ááŤáŽá˝á á ááŤáŞ áľáá
áśá˝ á¨áá
á áááŁáł áľáá á á°á°á áĄáĄ
đŤáááá á°áááŤá á¨áá áą áá á°ááŁá˘ á¨áá áĽáááľá áá ááľ á ááá áľ á°ááŁáŤá¸áá á áááŤá á áááá áĽá á áá áá ááľ áĽáá˛á¨áá á¨ááŤáľá˝áá¸á á¨áá á áááŁáł áľáá ááá˝á á á°á¨áłáłá áĽá¨á°á á¨áááá á¨á á˛áľ á á ᣠá˛áááá áááŁáł áľáŤáá˝ á˘áŽ ááŹá ááľáŤ á°ááŤáŽá˝ áĽá á ááŤáŞ áľáá áśá˝ áŤá°ááłáá áľáá á á°áĽáˇáá˘
đ§á˘áŽá á¨á˘áľáŽáľáŤ áŽááľáľáŤáá˝á ááá áááľ á˘ááľá˛áľáŠáľ áá á áá°áŁá á áŁááááá Leadership and Construction Company á áá áááľ ááŞáŤ áŁá°áŽá¨á á áá áľáá á 222 áľáŤ á°ááŤáŽá˝ áĽá á ááŤáŞ áľáá áśá˝ á°áłáľááá áłááĄáĄ
Via á¨á á˛áľ á á ᣠá˛áááá áááŁáł áľáŤáá˝ á˘áŽ
@etconp
đŤáááá á°áááŤá á¨áá áą áá á°ááŁá˘ á¨áá áĽáááľá áá ááľ á ááá áľ á°ááŁáŤá¸áá á áááŤá á áááá áĽá á áá áá ááľ áĽáá˛á¨áá á¨ááŤáľá˝áá¸á á¨áá á áááŁáł áľáá ááá˝á á á°á¨áłáłá áĽá¨á°á á¨áááá á¨á á˛áľ á á ᣠá˛áááá áááŁáł áľáŤáá˝ á˘áŽ ááŹá ááľáŤ á°ááŤáŽá˝ áĽá á ááŤáŞ áľáá áśá˝ áŤá°ááłáá áľáá á á°áĽáˇáá˘
đ§á˘áŽá á¨á˘áľáŽáľáŤ áŽááľáľáŤáá˝á ááá áááľ á˘ááľá˛áľáŠáľ áá á áá°áŁá á áŁááááá Leadership and Construction Company á áá áááľ ááŞáŤ áŁá°áŽá¨á á áá áľáá á 222 áľáŤ á°ááŤáŽá˝ áĽá á ááŤáŞ áľáá áśá˝ á°áłáľááá áłááĄáĄ
Via á¨á á˛áľ á á ᣠá˛áááá áááŁáł áľáŤáá˝ á˘áŽ
@etconp
â¤5
đááľáłáááŤ
đ§á áľáá áľáŤ á°ááŤáŽá˝á áááááá á¨á á˛áľ á á ᣠá¤áśá˝ áááľ áŽáááŹá˝á á¨ááŁá ááľáłáááŤ
@etconp
đ§á áľáá áľáŤ á°ááŤáŽá˝á áááááá á¨á á˛áľ á á ᣠá¤áśá˝ áááľ áŽáááŹá˝á á¨ááŁá ááľáłáááŤ
@etconp
â¤11