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45.

Meeting Date:	06/22/2015
REQUESTING APPROVAL OF PAYMENT TO UNDERWATER SERVICES-UTILITIES DEPARTMENT
Submitted for:	Martha Palacios	Submitted By:	Martha Palacios
Department:	Engineering

Subject:

Discussion and possible action to approve payment to Underwater Services, Inc., in the sum of $110,714.00 (approved and awarded by Commissioners Court on October 14, 2014) for completion of a project of cleaning of the Water Treatment Plants Chlorine Contact Chamber with divers and environmental services. [Account #745-3001-8801-17]

Issue: Payment for services were delayed due to inconsistencies with work scheduled and work completed.

Solution: Reconcilement of the services completed and adjustment down of sum of payment.

Result: Completion of Project

Background:

Background: Part of the Treatment process of water for the Rio Bravo Water Treatment Plant is to provide adequate contact of the filtered water with an approved disinfectant such as chlorine within a chamber that maintains sufficient contact time to destroy any remaining bacteria. The Disinfection Chamber provides exactly this service; however, over the years of insufficient maintenance, these units have filled with media and solid materials reducing significantly the ability to detain the water as designed. This reduction in service of the unit has not impaired the plant's ability at this time to provide adequately disinfected water; however, it is critical to return these units back to full service to maintain the level of protection necessary in our operation. This contract utilized divers to access the confined space location, fully disinfect and remove with the appropriate equipment all accumulated materials without removing the units out of service. Additionally, all materials were collected and de-watered on site prior to disposal to reduce the down time of the units as well as the potential odor concerns with drying solids for our neighbors and customers.

Previous Court Action:

N/A

Fiscal Impact

Budget Account Number:	0
Funding Source:	0
Balance:	0
Financial Impact:
Account #745-3001-8801-7

Attachments
Invoice