BH SoE Q's Flashcards
(307 cards)
How would you assess change/a variation?
For JCT and NEC
Pricing schedule
Contractor quote
Dayworks
First Principle
How would you prepare a cashflow?
if the contract includes staged payments then it is straightforward
If interim valuation:
- based on forecast of the completion of activities and the cost associated with these
What are the pros and cons of a concrete frame?
Pros:
The price and availability are less volatile than steel
Concrete provides sound and heat insulation
Does not require fire proofing
It can be used to form complex geometry
Cons
Bigger foundations - heavier building
Takes longer, weather and temperature can cause delays
What are the pros and cons of steel construction?
Pros
- quick construction
- doesn’t warp
- long lasting
Cons
- needs fire protection
- volatile price and supply
Types of piles
- Bored
- CFA - Sheet
- Secant
- Driven
Hand Laid Brick Build up
Brick, wall ties, cavity, insulation board, weather board, metal studs with mineral wool between them vapour control layer, two layers of plasterboard
Buildup Brick Slip Panel
Facing brickslip on tray/rail fixed onto brack system that is fixed back to sheathing board
50mm cavity
Cavity insulation
Metal stud wall with mineral wool insulation between studs
vapour control layour
2 layers plasterboard
Pros & Cons of Brickslip
Pros
quick and easy to install
lighter - less substructure
durable and fire resistant
many aesthetic options to suit architect
little maintenance required
Cons
more vulnerable to damage - thin
no structural bearing
overtime may required re-pointing with new mortar
Can you name some typical amendments you may find on a contract:
clause to amend final date for payment
What are the normal payment dates for JCT?
The due date is pivotal
- Interim valuation date is 7 days before due date
- Payment Certificate must be issued within 5 days of due date
- final date for payment is 14 days from due date (21 from interim val date)
- pay less notice 5 days before final date for payment
Pros and Cons of Traditional procurement route?
Pros
- Design Control
- Well known route
- Cost Certainty
Cons
- Lengthy, sequential process
- No main contractor input for buildability advice
What are the pros and cons of D&B?
Pros
- Single point of responsibility
- Overlap of design and build so time saving
- Buildability input from contractor
Cons
- Less design control
- Harder to compare tenders
- Less focus on quality
- Changes costly post contract
What is the difference between Construction Management and Management Contracting?
CM involves there being a contractual relationship between the employer and sub-contractor, where as with MC it is through the main contractor.
Pros and cons of a two stage tender?
Pros
Buildability advice
Maintains competitiveness in first stage
Less risk priced into scheme at second stage as contractor knows scheme and has been involved in design
Cons
Lack of competition during the second stage
2 tender periods makes it a more lengthy process
No cost certainty until second stage contract signed
Pros and cons of a negotiated tender?
Pros
- Programme Saving
Cons
- No competition
What would you include in a tender report?
Exec summary and recommendation
Background of tender process
Scope of works
Pre-qual process
Evaluation Criteria
Equalisation and comparison to PTE
Any relevant correspondence/negotiation
Any outstanding package/contract risks
What would you include in a Cost Report?
Exec summary
Contract sum
Agreed Variations
Outstanding Variations
Risks and contingency balance
Cashflow forecast
Drawdown
What are some differences between NRM and IPMS?
GEA - IPMS 1 - balconies included in IMPS but not GEA
GIA - IPMS 2 - includes the internal dominant face which is 50% of the SA for each vertical section
NIA - IPMS 3
What are the components of the external works in NRM?
Site preparation works
Roads, paths, pavings and surfacings
Soft landscaping, planting & irrigation systems
Fencing, railings & walls
External fixtures
External drainage
External services
Minor building works and ancillary buildings
What are the timescales for the final account in the JCT and NEC?
JCT SBC
The contractor must provide all necessary information for final account within 6 months of PC.
The CA/QS then issues the final account within 3 months of this.
Final date for payment is 28 days from due date.
JCT D&B
Contractor will provide client with their final statement 3 months after PC.
NEC
Essentially a rolling final account and agreed when all CE’s are agreed
What are some examples of relevant matters which can result in a loss and expense claim?
Failure to give contractor possession of site
Failure to give contractor access to site
Delay in issuing instructions
Discrepancies in contract docs
Disruption caused by works being carried out by client
Failure of client to supply goods or materials
Instructions relating to variations and expenditure of prov sums
Issues relating to CDM
What is the TPI?
Tender price index - measure of movement in prices between clients and contractors when tender is accepted
Typically used for adjusting estimates and budgets to different dates
Available on BCIS
When can the JCT minor works be used?
Typically non-complex works less than £500,000 in value.
What are the building regulations?
Part A: Structure
Part B: Fire safety
Part C: Site preparation and resistance to contaminants and moisture
Part D: Toxic substances
Part E: Resistance to the passage of sound
Part F: Ventilation
Part G: Sanitation, hot water safety and water efficiency
Part H: Drainage and waste disposal
Part J: Heat producing appliances and Fuel storage system
Part K: Protection from falling, collision and impact
Part L: Conservation of fuel and power
Part M: Access to and use of buildings
Part N: Glazing - Safety in relation to impact, opening and cleaning
Part O: Overheating
Part P: Electrical safety
Part Q: Security - Dwellings