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commercial paving.JPG (9434 bytes)

A completed commercial paving job in Wilmington.
commercial septic 1.JPG (18241 bytes) Commercial septic system in Tyngsboro (picture 1) excavating for bottom of leach field.
commercial septic 2.JPG (12805 bytes) Commercial septic system in Tyngsboro (picture 2) system complete, backfilled, and graded.
directional digging.JPG (24280 bytes)

Horizontal Directional Drilling~Installing a gas line under a newly paved road in Tewksbury.
leach trenches.JPG (21443 bytes)

A septic system in Tewksbury.  The picture shows two leach trenches and distribution box before they are backfilled.
lowell condos 1.JPG (12923 bytes) Before~Condos in Lowell.  Rains caused their existing wooden retaining wall to collapse.
lowell condos 2.JPG (15205 bytes) After~Condos in Lowell.  Heider Construction installed Concrete "T" wall (upper) and Block wall (lower) and landscaped.
lowell condos 3.JPG (22058 bytes) Condos in Lowell (picture taken during construction).  Heider installed drainage and small concrete retaining wall.
lowell condos 4.JPG (19680 bytes) Condos in Lowell (picture taken just before paving was completed). Heider installed drainage and small concrete retaining wall.
mid excavator.JPG (21754 bytes)

One of our mid-sized excavators and a mid-sized dump truck.
mini excavator.JPG (25780 bytes)

This is one of our mini-excavators that is small enough to fit through a backyard gate.
septic system.JPG (15924 bytes) A septic system in Tewksbury.  1500 gallon septic tank and distribution box.
site work.JPG (16213 bytes)

Site work in Billerica~Our loader and one of our bulldozers.