John McGowan and Sons Drainage Excavation Ashpalt Masonry
John McGowan and Sons Drainage Excavation Ashpalt Masonry John McGowan and Sons Drainage Excavation Ashpalt Masonry John McGowan and Sons Drainage Excavation Ashpalt Masonry John McGowan and Sons Drainage Excavation Ashpalt Masonry John McGowan and Sons Drainage Excavation Ashpalt Masonry John McGowan and Sons Drainage Excavation Ashpalt Masonry John McGowan and Sons Drainage Excavation Ashpalt Masonry John McGowan and Sons Drainage Excavation Ashpalt Masonry
John McGowan and Sons Drainage Excavation Ashpalt Masonry John McGowan and Sons Drainage Excavation Ashpalt Masonry
John McGowan and Sons Drainage Excavation Ashpalt Masonry

Drainage and Sanitary Systems Installation:

Catch Basin Installation

Used for the purpose of drainage. Storm water enters through a grate and then down into the structure. We excavate and remove existing soil as needed to set catch basin. After setting the basin, a new cast iron frame and grate is set at established grade by using Portland cement and sand mixture.

Cesspool Installation

A private sewage system that when installed allows sewage from the house to flow into a tank where the liquids filter through openings in the rings and are absorbed into the earth. The top of the cesspool is provided with a tightly fitted concrete lid.

*We do not drain existing cesspools, we only install them*

Trench Drain Installation

Trench drain systems shall consist of a concrete channel set in a concrete footing. Cast iron grates are set in a steel reinforced frame painted black.

Drywell Installation

Dirt is excavated and removed in order to install precast rings. Once excavation is completed, new precast rings shall be installed. Excavation depth shall be determined due to soil conditions on site. Excess soil and unsuitable material shall be removed from the site due to excavation. Clean granular fill or gravel shall be backfilled around all precast to a maximum depth of 18’.

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John McGowan and Sons Drainage Excavation Ashpalt Masonry
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John McGowan and Sons Drainage Excavation Ashpalt Masonry

Licensed And Insured in Nassau & Suffolk County

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