Dear Sifus,

Appreciate your kind opinions & comments on the below wiring works quotation for my new double-storey terrace (corner unit)..

1. A/C point (w/o starter) & to conceal A/C pipe & capping tube system (for inverter A/C) to Living, GuestRoom, & 2 other Bedrooms (4 nos) - RM2,360

2. Water heater point w/o ELCB (1-way) to 3 Bathrooms (3 nos) - RM725

3. Concealed telephone wiring c/w socket (w/o any telecom application) to GuestRoom (1 no) - RM75

4. Concealed TV wiring c/w socket & Astro piping to GuestRoom (1 no) - RM130

5. Upgrade existing single phase 18 way PVC DB into 3-phase 60 Amp 10 way metal clad DB (NOT INCLUSIVE OF TNB CONTRIBUTION FOR 3 PHASE SUPPLY) - L.sum M1,470

6. Concealed wiring only for alarm system c/w additional 1 power point for control panel (corner unit) - L.sum RM1,425

7. Auto gate wiring in armoured cable - L.sum RM300 / Auto gate wiring in armoured cable with press close button for auto gate - L.sum RM375

8. Fencing pillar light point with another circuit (1 pair) - RM300

9. Looping fencing light point (1 no) - RM145


Total: RM6,930 / RM7,005

FYI this is an additional works package offered by my developer.
I'm noobie here, dun even understand some of the jargons.. wat r necessary & wat r not.. hence ur valuable input would be very much appreciated!!

MANY THANKS IN ADVANCE

Very reasonable price. It's around this price nowadays, perhaps a little more expensive than this. Go for it. After all you do live in a corner unit so this is the going price.

This post has been edited by ricstc: Jan 14 2012, 06:27 PM

By developer better ask them do, you don't have to pay extra for plastering and paint when developer do it. How about unifi fiber connection point? If you plan to use fiber in future.

u guys r fast! THANKS A LOT..
would u mind helping me clear my doubts as per below as well?


1. The A/C pipe & capping tube system proposed is for inverter A/C - is this more expensive than non-inverter type? I'm not planning to use inverter A/C or mebbe juz 1 in my Master Bedroom..

2. Is upgrading to 3-phase necessary? Let's say i will be having 5 A/Cs & 3 water heaters but definitely wont be using them at the same time?

3. I dun quite understand the difference between No.8 & 9 in the quotation...



This post has been edited by Lara~: Jan 14 2012, 07:01 PM

2. you have said it. When you are in living room you should not be in your bed room but your wife might be and both you cannot be bathing at the same time to let the aircond runing. Moreover aircond if you size it correctly it goes on and off.

3. Also no 7. When you pull an armoured cable for autogate you do not pull another normal cable for fencing pillars lights to the same location, when they are all at the same location. You can have armoured cable with many cores for all the requirements of autogate, fencing pillars lights and have a spare. The quote should be one lump sum for armoured cable and split to where the power points and light switch. In order to see if the price is reasonable you got to add up. In this case it is not concealing two cables but one so to speak. The price for loping seemed high. In fact the pillar circuit and its to lighting points are all but loping. You will get a better idea if they draw you a diagram. But since it is the developer you have no choice but go with them regardless if it is cheap or not. The price of course is cheap compared to if they hand you the key and you get someone else to hack and lay and paste and replace the tiles whatever and accidentally cut some of the original circuits and patching back is no no, lack insulation or broken insulation.

Go for it but plan carefully your needs and future needs as well especially kitchen where you will add more appliances. You will never know you need another oven, slow cooker, blender, water filter that need power. The thing is make sure all wall have at least one power point that you can easily pull for your future additional need. If you have one side of wall got no power point and you want to move your freezer there you cannot run the wire from the other side of the wall across.

3 phase is always recommended for 2-3 storey landed house. Spare around RM300 monthly for your TNB bill too.

Thanks a lot for ur detailed explanation stevie8

As for:

2. I definitely agree wif u dat we will switch on more than 1 of the A/C or water heaters concurrently, but wat i meant was we would definitely not switch on ALL at the same time.. I saw many advices in the thread below saying dat single phase is enuff for such level of usage:
http://forum.lowyat.net/topic/2187730
Wat do u think?

Not problem wan unless you have many people living in the house say 10 people. But then sometimes you have party and there will be more than 10, maybe 20, at times 50. and all a/c, lights, tv, etc are on. How?

First make sure that all the MCB and the main RCCB (ELCB) is working. Test once in few months and before you have party.
No worry about over load, the MCB will trip and save you from big problem/danger. Even with 3 phase the problem still exist. Dont think with 3 phase it will not trip and worse you never check these MCB and ELCB out of order long time.

With single phase hardly you will have overload problem unless you have many people living in the house. when there are many people the chances of overload is high and you do not want to have constant tripping, so have 3 phase lo.

How often you have party? so no need 3 phase, pai-sui, pai-leng only. tayang for who to see?

When you have party and one of the circuit/MCB tripped, no problem just off the aircond(s) or the appliances of the trip circuit and turn back on the MCB. How to know? Just go round see which one of the appliances is not working, say kettle, switch its power off and go to the DB look for the MCB that is in "down" position and push it up. Dont use that power point of the kettle again, stick it with tape for the moment and use other power point. When the party is over, take the tape down, you can use it again safely, no problem one. Sometimes you find none of the MCB is in down position. It is because it did not go down completely, got stuck. so look for one that is slightly down. It has cut off the circuit but did not go down. MCB like ELCB, a little bit down away from up position the circuit is broken off.

Very often it is the appliances that is broken that cause the trip. Seldom overloading. and also due to lightning or one of the light bulb especially the energy saving light or one of the live wire is leaking sometime leak sometime ok. Why? becasue the insulation is broken with a cut and sometime the current leak out little bit and most time ok. Why cut? you know la worker, when they accidentally cut a wire but not cut thru and you cannot see the cut on the insulation with your eyes unless you bend it and they use it later on your house. Who dont use knife, blade, etc to cut wire during wiring? Over time the cut get deteriorated and you have leakage lo. So, all this got nothing to do with 3 phase, single phase. The key thing is check and test the ELCB and the MCB but many people take for granted never or seldom test the circuit, me too, hahahaha...lazy and ignorant until something happen

hey guys,

I actually showed my quotation to 2 contractors outside & they said it's abit pricey. Even the sales rep from my developer office encouraged me to get the service outside as their prices are really higher bcoz dey need to go thru many levels (contractor, engineers, etc).

Furthermore i need more customizations like adding extra light points here & there (for KC lights etc), & my developer cant seem to provide them exactly to suit my needs as they go buy package. Some ppl say i may find the points provided by developer not accurate enough for my design in future bcoz dey juz install based on my markings on the floor plan.

I'm torn.

for me your quotation pricey....

Mine one as below
Water heater point using 2.5mm pvc wire. rm150 /nos

astro point rm110/nos

yes 1 of the outside contractors quoted me RM150/no too including hacking & plastering..
but come to think of it, the price may hav increased already by the time my house is completed (2013)
oso after replastering the wall may not be as nice & smooth as b4, especially for water heater points where usually there's no furniture/fittings to cover..
haiyerr..

After review of u quotation, my friend work as contractor saying that item no. 3 & 4 price is reasonale. He did do a 2 1/2 storey house alarm system (wiring only) charge RM800.

ya most of the ppl told me that only item 3 & 4 are reasonable
thanks for ur input