Design and construcción supervision for the El Rosal Waste Water Treatment Plant

Corporación Autónoma Regional (CAR)
Design and construction supervision
2002-2004
El Rosal, Cundinamarca, Colombia

Capacity 37,81 L/s
Pumping station 10,71 L/s

OVERVIEW

INAR ASOCIADOS S.A supervised the design, construction and beginning of operations of the waste water treatment plant of El Rosal municipality.

SCOPE

Supervision of the design, construction and implementation of the domestic sewage water treatment plant and other works for the urban sewer system of the El Rosal municipality, department of Cundinamarca.

WWTP

Technical data

Waste water treatment plant

Capacity

37,81 L/s

DBO removal

85%

SST removal

92%

Grease and oil removal

86%

Entrance structures

PVC. ø: 20”, 16”

Preliminary treatment

Rectangular section sand trap

q: 10-125L/s

Secondary treatment

Oxidation ditch: Four aerators

V: 1.805m3; P:15HP

Secondary settling tank: Superficial circular area tank and cylinder body with a conical hopper for storage and thickening of sludge

V: 603,19m3

Four drying bed units and leachate draining system

A: 35m2 c/u

Pumping station

q: 10,71L/s

Two submergible pumps

2Hp c/u

Motor control center:

Electric starters

Auxiliary transformer and distribution board

Medium tension network connection

L: 460m

Transformer

112,5kVA

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