HomeMy WebLinkAboutCHANGE ORDER - RFP - 7515 CONSULTING ENGINEERING SERVICES FOR FUTURE WATER WW & SW FACILITIES CAPITAL IMPROVEMENTSRequisition Form
Today's Date: August 4, 2017 Requisition No.:
Ship To: Date Entered:
Date Required: ASAP Date Approved:
Special Instructions: Date Denied:
Description Total Charge Number
$30,690.00 5026410125.521210.3
-$30,690.00 5036410130.521210.3
Authorized By:
ater & Wastewater Master Plan - Phase 2 Change
rder #1
Unit Price
$30,690.00
-$30,690.00
ater & Wastewater Master Plan - Phase 2 Change
rder #1
-8D50-AF602F31E86F
To PO 9168396
0506
57425
8/15/17 mw
Water & Wastewater Master Plan Phase 2 Contract Change Order
00950-1
SECTION 00950
CHANGE ORDER NO.
PROJECT TITLE: Water and Wastewater Master Plan – Phase 2
CONTRACTOR: Ditesco, LLC
PROJECT NUMBER:
DESCRIPTION:
1. Reason for change: The manhole inspections were completed for less than original budget.
Fire hydrant testing was decided to be completed by City crews saving the project $45,160. Given the
savings, additional work items originally planned for Phase 3 were added to this scope.
2. Description of Change: Additional work items for Water Modeling, Decision Tool, Risk
Assessment, GIS Mapping and Technical Memorand #2 were added to this scope.
3. Change in Contract Cost: $0
4. Change in Contract Time: March 31, 2018
Water Wastewater Total
ORIGINAL CONTRACT COST $103,250 $564,854 $668,104
TOTAL APPROVED CHANGE ORDERS 0 0 0
TOTAL PENDING CHANGE ORDERS 0 0 0
TOTAL THIS CHANGE ORDER $30,690 -$30,690 0
THIS C.O. % OF ORIGINAL CONTRACT 29.7% -5.4% 0%
TOTAL C.O.’S % OF ORIGINAL CONTRACT 29.7% -5.4% 0%
ADJUSTED CONTRACT COST $133,940 $534,164 $668,104
(Assuming all change orders approved)
ACCEPTED BY: DATE:
Contractor's Representative
ACCEPTED BY: DATE:
Matt Fater, Project Manager
REVIEWED BY:
APPROVED BY:
DATE:
/LQVH\&KDOIDQW for Owen Randall, Chief Engineer
DATE:
Jon Haukaas, Water Eng. & Field Ops Manager
APPROVED BY: NA DATE:
Gerry S Paul, Director of Purchasing and
Risk Management
If over $60,000
cc: Project File
Contractor
Purchasing
DocuSign Envelope ID: 93411894-1904-4982-8D50-AF602F31E86F
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WaterPlans Inc
Proposed Scope for Waste Master Plan Support – Scope
and Fee
City of Fort Collins, CO
Background
The list of services presented in this document are proposed with the goal of supporting
the current Water System Master Plan on evaluations, analysis and updates to the
recently updated hydraulic model. The updated hydraulic model will be calibrated for
fire flow conditions and used to evaluate the system for existing and future conditions,
and assess the benefits of proposed improvements.
Task 1. Existing System with Existing Demands
WaterPlans’ staff will use field data collected a several hydrants to calibrate the
hydraulic model. The water model was updated using the latest GIS database
information. The model demands are representative of Maximum Day consumption.
As part of an on-going effort, the model is being updated to include a Winter Day
demand scenario. Both scenarios will be used to evaluate the capacity of the system
to meet the required fire flow in all areas.
Subtasks
1.1 Project Management/communications (4hr)
1.2 Hydraulic Model Calibration to Fire Flow
- Hydraulic model calibration (current and Spring 2017 fire flow results)
(40hr)
- Calibration Documentation (fire flow and EPS) (16hr)
1.3 Existing System Hydraulic Analysis
- Fire Flow Availability Evaluation – City Wide (8hr)
- Water age evaluation (Winter and Summer) – City Wide (8hr)
1.4 Meetings (4hrs)
Deliverables
Technical memorandum summarizing assumptions, methodology and results, fire flow
availability map, and a list of existing system deficiencies.
Assumptions
- Demands in model will not be updated as part of this task.
- Model C factors will be revised as part of this task.
- At least one (1) meeting in person are assumed for this task.
Exhibit A
DocuSign Envelope ID: 93411894-1904-4982-8D50-AF602F31E86F
Task 2. Proposed Improvements (Replacements, Upsizing, Looping) with Existing
Demands
The hydraulic model will be updated to represent short-term improvements, to test their
impact during fire flow and peak hour conditions.
2.1 Project Management and communications (4hr)
2.2 Hydraulic Model Update
- Update evaluation model with proposed improvements (8hr)
2.3 System with Improvements - Hydraulic Analysis
- Fire Flow Availability Evaluation – City Wide (8hr)
- Peak hour hydraulic evaluation – City Wide (8hr)
- Water age evaluation(Winter and Summer) – City Wide (8hr)
- Specialty Scenarios: certain buildings, multi-fire scenario, tanks draw down
(16hr)
2.4 Meetings (4hr)
Deliverables
Fire flow availability map after improvements.
Assumptions
- Demands in model will not be updated as part of this task.
- At least one (1) meeting in person are assumed for this task.
Task 3. Existing System with Redevelopment Demands
Redevelopment analysis will be performed on the updated model (after Task 2),
assuming the proposed short-term projects were implemented. The demands in the
model will be modified to represent the consumption characteristics of the new
customers.
3.1 Project Management and communications (4hr)
3.2 Redevelopment Analysis
- Redevelopment project analysis (locations to be provided by Ditesco),
update demand in model, check fire flow availability and adequacy of the
connecting pipes for up to 20 locations – (30hr)
3.2 Meetings (4hr)
Deliverables
Technical memorandum summarizing assumptions, methodology and results, fire flow
availability map, and a list of existing system deficiencies.
Assumptions
- Location and expected demand for redevelopment projects will be provided by
Ditesco. Up to 20 locations were assumed for this task.
- At least one (1) meeting in person are assumed for this task.
Exhibit A
DocuSign Envelope ID: 93411894-1904-4982-8D50-AF602F31E86F
Task 4. Additional Proposed Improvements for System with Redevelopment Demands
As part of the Water Master Plan, future projects will be developed and recommended.
The impact of these projects will be evaluated in the hydraulic model.
4.1 Project Management (4hr)
4.2 CIP Modeling
- Future scenarios in hydraulic model (scenario set up and add proposed
projects) (16hr)
- CIP adequacy run and analysis (16hr)
- Water Age evaluation after improvements – City Wide (8hr)
- Fire Flow Availability Evaluation after improvements – City Wide (8hr)
4.3 Meetings (4hr)
4.3 Support for final Master Plan Documentation (16hr)
Deliverables
Updated model with evaluation scenarios. Support for Ditesco’s documentation, short
technical memorandum, tables and figures (16hr)
Assumptions
- Demands in model will not be modified as part of this task.
- Location and size of proposed projects will be provided by Ditesco.
- At least one (1) meeting in person are assumed for this task.
Task 5. General On-call
An on-call task is being set up allowing the City to request work products and support
on an as-needed basis. On-call support may include but is not limited to; support for
general modeling procedures, operations questions, what-if scenarios, and model
maintenance.
5.1 General hydraulic modeling support – up to 40hr
Total Fee
WaterPlans’ staff (Kedric Szana, Marcela Durán) will perform this work on a time and
labor basis with a total not to exceed amount of $40,600. Traveling time and expenses
will be assumed by WaterPlans.
Exhibit A
DocuSign Envelope ID: 93411894-1904-4982-8D50-AF602F31E86F
WaterPlans Inc
Proposed Scope for Wastewater Modeling Support – Scope and Fee
City of Fort Collins, CO
Task Description Kedric Szana Marcela Du
$140/hr $140/h
Task 1 Existing System with Existing Demands 42 42
1.1 Project Management and communications 4
1.2 Hydraulic Model Calibration to Fire Flow 30 26
1.3 Existing System Hydraulic Analysis 8 8
1.4 Meetings 4 4
Task 2 Proposed Improvements (Replacements, Upsizing, Looping) with Existing Demands 30 26
2.1 Project Management and communications 4
2.2 Hydraulic Model Update 8
2.3 System with Improvements 20 20
2.4 Meetings 2 2
Task 3 Existing System with Redevelopment Demands 32 6
3.1 Project Management and communications 4
3.2 Redevelopment Analysis 30 0
3.3 Meetings 2 2
Task 4 Additional Proposed Improvements for System with Redevelopment Demands 20 52
4.1 Project Management and communications 4
4.2 CIP Modeling 18 30
4.3 Meetings 2 2
4.4 Support for final Master Plan Documentation 16
Task 5 General On-call 20 20
5.1 General hydraulic modeling support 20 20
Total 144 146
DocuSign Envelope ID: 93411894-1904-4982-8D50-AF602F31E86F
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