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Jan
09
design and build contract

What is Design and Build Contract in Construction? 5 Important Points

When would you use a design and build contract? The principal reason for selecting the Design and Build Contract is to appoint a single contractor who would be responsible to engage a design consultant and other sub-contractors, carrying out all the design and key surveys plus investigations ...

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Jan
06

What is Railway Signalling? 5 Important Points

Table of Contents Types of Railway Signals Automatic Block Signal System (Permissive) Interlocking Signal System (Absolute) What are the Reasons for Railway Signalling Failures? What is Railway home signal? Railway Signal Principles? Railway Signalling Technologies: European ...

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Dec
31

Pedestrian Guardrail Design and Standard Details: 5 Important Points

Table of Contents What is Pedestrian Guardrail? What is the purpose of Pedestrian Guardrail? Types of Pedestrian Guardrail? Component of Pedestrian Guardrails Standard Finishing of Pedestrian Guardrails: You must have seen pedestrian guardrails along urban footways, but do you kn...

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Dec
28

Design of Railway Track or P-way? 4 Important Points

Table of Contents Opportunities in the Railway Industry? Elements of Railway Track Design: Horizontal Alignment Design Vertical Alignment Design Superelevation Unbalance How to define Railway Track Speed at Curves? Safe Speed: Overturning Speed: Signal Speed: Maximum Au...

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Dec
23
What is Substation

What is Substation & how does Substation work? 6 Important Points

Table of Contents What is Substation? Function of Substation Stepping up and down the voltage: Switching: Power Cuts: Protection System: Types of Substation  Transmission substations Distribution Substations Traction Power Substation for Railway or Pway: Distrib...

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Dec
19
as built drawing

What are As-Built Drawings in Construction? 6 Important Points

Table of Contents What does As-Built stand for? Who Creates As-Built Drawings? When As-Built drawings are started? Why As-Built drawings are so important? What is Included in As-Built Drawings? Key Takeaways: As-Built Drawings come to the picture at the end of any construc...

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Dec
17

What is Change Order in Construction Contract? 4 Important Points

Table of Contents What is a Change Order? What to be included in Change Order? Dates of the Change Order Details to include in the Change Order Mini Project Programme and Schedule of Deliverables The fee of the Change Order When Change Orders are Raised? Inadequate Scope of W...

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Dec
11

What is RFI in Construction Stage? 5 Important Points

Table of Contents What is RFI in Construction? Why RFI is so Important? Who are the Key Stakeholders of RFI Process? What is the process to raise RFI? Raise RFI at the Earliest: Thoroughly Prepare the RFI Request for the RFI response in a fixed time frame RFI Template Prop...

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Dec
06

Road Lighting Design and Design Software’s - 8 Important Points

Table of Contents Why Road Lighting is Required? Key Factor to consider for Street Lighting Design Uniform Illumination Limit the Glare Adequate Contrast Sensitivity Key Steps of Road Lighting Design: Illumination Levels Angle of Luminaire Constraints of the high-speed roa...

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