2004 0817 ca

2004-0817CA

technical archives

www.trictrenchless.com

TRIC Training Log: 08-17-04

Demo Team: Beyond Plumbing, Oakland, CA

Job: Two homes opposite each other connecting to main (one hole in street at main, lateral connections 2 feet apart)

Pull: (2) downhill / 40’ each / 4” SDR17 replacing 4” VCP

2004-0817CA

technical archives


We at TRIC Tools have specific requirements for the use and maintenance of our equipment with regard to safety and efficiency on the job. Our written and verbal recommendations coincide with safety regulations set by local, state, and national government agencies. Our

clients may have standards over and above industry regulations. However, the safety equipment, apparel, and operating procedures

demonstrated by our clients in this presentation may or may not comply with above mentioned government regulations.

2004-0817CA

technical archives


The project: One contract, two homes in Castro Valley. Homes face each other across street, and each is replacing entire lateral from building foundation to main in street.

2004-0817CA

technical archives


Pulling hole: Note two connection points to sewer main; upstream (left) connection serves home on west side of street, and downstream connection (right) serves east side home.

2004-0817CA

technical archives


Fusing operation: Jig used to join pieces of 4” HDPE pipe on sidewalk.

2004-0817CA

technical archives


East side entry: Preparing to feed pipe into hole at property line.

2004-0817CA

technical archives


Pulling hole: Preparing ram to pull from east side home’s property line to main.

2004-0817CA

technical archives


East side entry: Bursting head just beginning to break old pipe.

2004-0817CA

technical archives


Monitoring entry: After a good beginning, pipe often needs little attention, save monitoring for traffic obstruction or protecting property and landscaping.

2004-0817CA

technical archives


One hole, two pulls: Disconnecting ram assembly after east side pull.

2004-0817CA

technical archives


“Bumping”: After hydraulic equipment is removed from the pulling hole, pipe is driven further towards final connection.

2004-0817CA

technical archives


Final approach: Watching the pipe being driven further towards main.

2004-0817CA

technical archives


Main connection #1: Finishing the east side main connection. Note pulley and resistance plate set up to pull the west side lateral.

2004-0817CA

technical archives


West entry hole: Shallow and close to foundation. Cable inserted here and fed through old line to street (pulling) hole.

2004-0817CA

technical archives


West side property line: City requires cleanout at this point. Old VCP (vitreous clay pipe) lateral has been exposed.

2004-0817CA

technical archives


West side property line: Exposed pipe removed, showing pulling cable after being fed through line from house foundation entry hole.

2004-0817CA

technical archives


Sewer sermon: TRIC associate explaining the virtues of trenchless technology.

2004-0817CA

technical archives


Lateral #2: Setting up ram to pull west side home lateral.

2004-0817CA

technical archives


Big Bend: HDPE pipe flexibility demonstrated at west home entry.

2004-0817CA

technical archives


Just before tension: PE pipe in position for entry.

2004-0817CA

technical archives


Initial guidance: The bursting head assembly “hinges” on the clevis (cable terminator) as pull begins.

2004-0817CA

technical archives


Entry: TRIC’s patented head assembly and flexible HDPE pipe make this type of seemingly impossible approach routine.

2004-0817CA

technical archives


The great arc: Bursting head has traveled down the old line a few feet, and new HDPE line has formed the “U-turn” which worker will assist for the duration.

2004-0817CA

technical archives


Close to home: Extreme bend is guided and maintained throughout pull.

2004-0817CA

technical archives


View from the street: A new sewer in progress.

2004 0817 ca

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