Hey everyone, wondering if this reno quotation is reasonable? Or is there anything that I should enquire the contractor?

If there's any info that I need to provide, please let me know.

Thanks a lot in advance.

item 1-ground floor
concrete floor BRC.... size or brc ? A6, A8 ? Cq spec or BS spec
concrete floor brc - quotation include damp proof membrane? before concreting?

carporch roof slab- waterproofing?

plaster ceiling- type ? plaster of paris or gypsum?
for outdoor ceiling or toilets /laundry area- proposed gypsum moisture resistance-example USG BORAL WETSTOP MOISTURE RESISTANT.

Staircase- ask the contractor to confirm numbers or step - width and height of each step.. do not exceed the maximum requirements under UBBL...
staircase construction is tricky - need to properly design and confirm tread and riser.... i have seen staircase construction that are just nonsense.
Tripping Hazards and Safety Concerns: Incorrect riser heights can lead to tripping hazards and safety concerns, especially for individuals with limited mobility (old folks)

This are some input when i glance through your quotation.

cheers mate
Izwan
www.archidstudio.com

agree on the staircase.. many builders screw-up here.
each steps height (riser) shouldn't be more than 8.25 inch

You highlight a good point about waterproofing. I did my renovation two years ago. My architect and engineer did specify a layer of plastic for waterproofing. However, the contractor did not follow the instruction before casting the concrete floor. Less than six months after the completion of the tiles, all my grout lines changed color. My tile installer did the grout lines and less than six months, the grout lines changed color again! Root cause is due to the slop at the back of my house.

I noted the quotation did not specify the thickness of the concrete floor and did not specify whether it is A6 or A8, as you highlighted.

For me, after one renovation, I will not accept any contractors with lump sum pricing. I would rather pick those quoted the detailed technical and unit prices. A bit expensive is okay. It is much better than any rework.

Quote is too generic without any detailed information. I would be wary of this contractor because later on they can/might claim "but I never wrote in the quotation!"

The quoted to be too cheap. I will be caution about it

You know what? You're absolutely right! I have heard so many contractors say "the meat is in the VO". They give a quote that is so generic, and then when actually building, the owner ask, for example, "why this window so small?". The reply is "yes this is the size, if want to be bigger then must add RM xxxx". At that point the homeowner has no choice but to pay extra. What's the owner going to do? Finish the renovations, and then find another contractor, break the window and install a bigger one?

Yeah is kind of trap

Thank you so much for your input, so far the contractor mentioned there will be a waterproofing layer at the concrete and will be using BRC A8. Still waiting for his reply on the ceiling material and the height of each flight of stair

Anyone tried https://www.facebook.com/one2living ? Saw their pricing and fully furnished renovation not bad hmm..good for my airbnb investment.