Contractor
QualificationsOur intentions are not to be critical of other companies, but to inform and educate you on some crucial steps to look for when choosing a contractor as follows:
CONTRACTOR’S QUALIFICATIONS
* Have they done jobs of similar scope?
(Photographs of previous jobs should be available)
* Can they provide you with at least 3 references?
* Have they received training by ICPI (Interlocking Concrete Pavement Institute) and are they certified?
* What type of guarantee do they offer?
* Are they covered with the appropriate insurance?
METHODS FOR INSTALLATION
* Will the appropriate material be used for the base at the recommended depth and will it be properly compacted?* Will separation fabric be used?
* Will they be using coarse concrete sand for the setting bed?
* Will an appropriate edge restraint be used?
* Will the project be graded properly to drain water away from all structures/ pool
* For retaining or taller walls will geogrid be used where appropriate?
* Are they using pins clips or adhesive where recommended?
2. 1” screeded sand bed (# 10 screenings are not acceptable for sand bed) must be concrete sand.
3. 2 3/8” Paver of style & color choice
Total excavation depth = min. 7-9”
DRIVE WAYS
1. 8-10” 2A Modified stone or 3/4” crushed concrete base
(# 10 screenings are not acceptable for base)
2. 1” screeded sand bed (# 10 screenings are not
acceptable for sand bed) must be concrete sand.
3. 2 3/8” Paver of style & color choice
Total excavation depth = min. 11-13”
After the pitch of the final brick grade is determined and the area is excavated
6“ wider and longer than the actual brickfield and to the proper depth, the
sub grade (or bottom of the excavation) is compacted with a plate tamper.
A separation fabric is laid into the excavation covering the bottom and the side walls. The fabric ensures that the stone does not become mixed with the sub soil during compaction.
The base stone is then brought in and graded in 2 to 3 “lifts.” A lift is
a term for a compacted layer of stone at a 2-3” depth. If a project that
requires 6” of base stone is not compacted in lifts (all stone brought in and
compacted on top) only the top 3” of stone will achieve complete compaction
and brick settlement may occur.
Once the stone base is graded and compacted to within 3” of the final brick
grade, 1” thick metal screed rails (poles) are placed on the base at 4-6’
intervals. Concrete sand is then distributed over and between the rails and a
straight screed board is drug over them to create a smooth even layer of sand.
The poles are removed and sand is filled into the voids prior to brick laying.
The paver bricks are now laid in the agreed pattern and all non-supported brick edges are restrained.
All of these steps are crucial to an impeccable installation that you and your family will enjoy for many, many years. At Houston Landscape Images we pride ourselves with:
“Excellence in all phases of landscape design and service”
We
also Install Paver Lights Click Here For details
We hope this will help you as you carefully choose your hardscaping contractor!
Sincerely,
Sanson A. Faltine Jr.
For more information please contact us at (281) 340-9206 or go to our online request form.
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