11 grant park sewer rehabilitation project bes project #e10346 bid # 116337 scope: rehabilitation,...

11

Grant Park Sewer Rehabilitation ProjectBES Project #E10346Bid # 116337

SCOPE: Rehabilitation, Replacement, or Relocation of Sanitary & Combined Sewers, MH, & C/O

Project Limits:

East to West: NE 33rd NE 24th Ave.

North to South: NE Stanton ST to NE Broadway

Engineer’s Estimate: $3.27M

BES Phase II Sewer Rehab Program

22

Agenda

1) Introductions and Program Overview

2) General Bidding & Contract Requirements (Purchasing)

3) Construction Highlights

4) Specifications

5) Measurement and Payment

6) Testing

7) Schedule Highlights

8) Q/A

BES Phase II Sewer Rehab Program

33

I Program Overview:

Phase II Structural Rehab Program

Five-year $123 Million dollar program.

BES Phase II Sewer Rehab Program

II General Bidding & Contract Requirements

55

III Construction Highlights:

This is a neighborhood construction project

38 different City blocks

Plan Set 38 sheets

BES Phase II Sewer Rehab Program

6

III Construction Contract Document Highlights

Geotechnical Report

Environmental Report

Noise Variance

Utility work and project coordination with other projects in the area

77

III Construction Sewer Mainline Work includes:

Video all Mainline

Open Cut Excavation for New Sewer Mainline- replacement - relocation (realignment)

CIPP Lining MH to MH Sectional Lining

Manned Entry Surface Repair of Sewer Mainline

Installation of New Manholes

Rehab MH & Bases

Street Restoration

BES Phase II Sewer Rehab Program

88

III Construction 4 Scenarios for Lat.

1. Install new laterals where identified on plans 2. Video and replace laterals where open cut sewer

mainline is installed (as directed by the owner)3. Video and replace laterals at spot repairs (as

identified by the owner)4. Video and install lateral CIPP liner and cleanout

Note: contractor to video all laterals where open cut occurs. Laterals not associated with spot repairs on CIPP mainline or spot repairs on mainlines will not be inspected.

BES Phase II Sewer Rehab ProgramBES Phase II Sewer Rehab ProgramBES Phase II Sewer Rehab ProgramBES Phase II Sewer Rehab ProgramBES Phase II Sewer Rehab Program

9

III Construction Highlights

Spot repair data table, labels and symbols

M# - Manned Entry surface repair

S# - Sanded collar lateral repair

R# - Mainline spot repair

C# - CIPP sectional liner

LC# - CIPP liner, lateral

Each repair ID is one spot repair

BES Phase II Sewer Rehab Program

1010

III Construction Highlights

Lateral Replacement: Scenario 1

BES Phase II Sewer Rehab Program

1111

III Construction Highlights Lateral Replacement: Scenario 2

BES Phase II Sewer Rehab Program

1212

III Construction Highlights Lateral Replacement: Scenario 3

BES Phase II Sewer Rehab ProgramBES Phase II Sewer Rehab Program

13

Construction Highlights Lateral Replacement: Scenario 4

BES Phase II Sewer Rehab Program

1414

III Construction Highlights

Determining Replacement of Laterals

BES Phase II Sewer Rehab Program

15

III. Construction Highlights Street Restoration

Have S.O.P.standard drawing for P-505 in Spec. Book

Planning work 00120(c)(7) – Need to visit site

Construction Equipment restrictions

Responsibility for damages

Preservation of Existing Improvements

00405.83 - Trench Protection/ Dewatering

Measurement & Payment for Street Restoration

BES Phase II Sewer Rehab Program

1616

IV. Specifications

The Non-Standard Specs include:

408 – Lateral Lining

410 – Pipe Lining

413 – Sectional Pipe Lining

490 – Manhole rehabilitation

BES Phase II Sewer Rehab ProgramBES Phase II Sewer Rehab Program

1717

IV. Specifications

Some Modified Specs include:

401 – Video and Electronic Inspection of Sewers

405 – Allowing the Use of Native (Class A) Backfill

445 – Laterals, Cleanouts over Existing Laterals, Lateral Connections

490 – Work on Existing Sewers and Structures, Spot Repairs

BES Phase II Sewer Rehab Program

1818

V. Measurement & Payment

Mainline lateral connections: Open cut paid via bid item

Spot repair bid item includes incidental items including connections and the first 4’ of lateral pipe. See 490.90

BES Phase II Sewer Rehab ProgramBES Phase II Sewer Rehab ProgramBES Phase II Sewer Rehab ProgramBES Phase II Sewer Rehab Program

1919

V. Measurement & Payment

Flagging is paid as Lump Sum

Temporary Protection and Direction of Traffic – BI #2

Flaggers, as Directed by Owner – BI #4

BES Phase II Sewer Rehab Program

2020

V. Measurement & Payment

Pipe Connections

Temporary Lateral Connections: No Separate or additional payment will be made for

Temporary Lateral Connections Spec 490 has been modified. See Spec for detail

Connections to Structures:

No separate or additional payment will be made for connecting existing pipes to new manholes and connecting new pipes to existing manholes and inlets.

BES Phase II Sewer Rehab Program

21

V. Measurement & Payment

CIPP liner, lateral CIPP sectional liner Stainless steel shear band vs. concrete closure

collars Sanded collar lateral repairs Cleanouts Diversion of flow Spot repairs Reconstruct vs. rehabilitation of MH base

BES Phase II Sewer Rehab Program

2222

VI. Testing Sampling and Testing Requirements include:

CIPP Testing

Open Cut Spot repairs

Manned Entry Repair

Lateral Cleanouts

Manhole rehabilitation

Owners representative must be present for testing as required

BES Phase II Sewer Rehab Program

2323

VII. Schedule Highlights

BES Phase II Sewer Rehab Program

Rose Festival Moratorium: Friday May 30th - Tuesday June 10th Contact: PBOT, Jeri Jenkins 503-823-

7077

Sheets affected by the Portland Rose Festival Moratorium:

C10, C43, C44, C45, C46, C47, C48

Parades

Sheets C43-C48 are all CIPP lined pipe with spot repair work. Spot repairs need to be complete prior to the CIPP lining.

2424

VII. Schedule Highlights

Contract and Liquidated Damages

The Contract Duration is One Calendar Year

The Liquidated Damages are $1,490 per Calendar Day

BES Phase II Sewer Rehab Program

2525

Questions?

BES Phase II Sewer Rehab Program