ROAD DESIGN CHECKLIST

DESCRIPTION

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REMARKS/COMMENTS

1. FIELD INVESTIGATION 1.1 Location Map

1.1.1 Geographic Location 1.1.1.1 Beginning of Project (BOP) 1.1.1.2 End of Project (EOP)

1.2 General Notes 1.3 Typical Section 1.4 Plan

1.4.1 Road Centerline (actual alignment) 1.4.1.1 Existing Road Centerline 1.4.1.2 Proposed Centerline

1.4.2 Horizontal & Vertical Control 1.4.2.1 BM’s @500 Interval Max. 1.4.2.2 Location – reference points

1.4.2.2.1 Northing & Easting 1.4.2.2.2 Description 1.4.2.2.3 Elevation

1.4.3 Horizontal Curve Data 1.4.3.1 External Angle = I 1.4.3.2 Horizontal Radius = R 1.4.3.3 Tangent Length = T 1.4.3.4 Curve Length = LC 1.4.3.5 External Distance = E 1.4.3.6 Design Speed = V 1.4.3.7 Point of Curvature = PC 1.4.3.8 Point of Horizontal Intersection = PI 1.4.3.9 Point of Tangency = PT

1.4.4 Existing & Proposed Structure 1.4.4.1 Inlet/Outlet

1.4.5 Informative Sign Location 1.4.6 Driveway Entrance

1.5 Profile 1.5.1 Existing Centerline 1.5.2 Finish Grade 1.5.3 Point of Vertical Intersection (PVI)

Station 1.5.4 Elevation 1.5.5 Vertical Curve Data

1.5.5.1 Vertical Curve Length 1.5.5.2 PVI Station 1.5.5.3 PVI Elevation 1.5.5.4 Point of Vertical Curvature (PVC) 1.5.5.5 Point of Vertical Tangency (PVT) 1.5.5.6 Rate of vertical Curvature = K 1.5.5.7 Middle Ordinate = MO

1.5.6 Existing and Proposed Structure 1.5.6.1 Elevation 1.5.6.2 Dimension

1.6 Cross Section 1.6.1 Cross Section @20m. Interval 1.6.2 Existing Structure 1.6.3 Summary of Quantities

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1.6.4 Elevation and Extent from Centerline 1.6.5 Finish Grade Elevation 1.6.6 Existing Grade Elevation 1.6.7 Slope of Traveled Way (TW) 1.6.8 Slope of Shoulders

2. HIGHWAY DESIGN 2.1 All Drawing Sheets 2.2 Layout Plan, Location Map and Key Map 2.3 General Notes 2.4 Typical Roadway Sections

Note: requirements to provide guardrails/grouted riprap, coconet slope protection

2.5 Plan and Profile 2.6 Schedules

2.6.1 Schedule of Grouted Riprap/Coconet Slope Protection

2.6.2 Schedule of Road Signs 2.6.3 Schedule of Guardrails

2.7 Road Cross Sections 2.8 Standards Drawings

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3. HYDROLOGY AND DRAINAGE 3.1 Drainage System Plans

3.1.1 Cross Drainage Structures 3.1.1.1 RCPC 3.1.1.2 RCBC 3.1.1.3 Lateral Drains

3.1.2 Longitudinal Drains 3.1.3 Underdrains, if any

3.2 Profiles 3.2.1 Flowlines

3.3 Drainage Cross-Sections 3.4 Special Drawings/Details for Special Design 3.5 Standard Details

3.5.1 RCPC 3.5.2 RCBC 3.5.3 Ditches

3.5.3.1 Lined Ditches 3.5.3.2 Earth Ditches 3.5.3.3 Types

3.5.4 Headwalls 3.5.5 Etc.

3.6 Schedule of Culverts 3.7 Schedule of Ditches 3.8 Drainage Design Report

3.8.1 Calculations 3.8.1.1 Design Discharge 3.8.1.2 Sizes 3.8.1.3 Velocities 3.8.1.4 RIDF 3.8.1.5 Etc.

3.8.2 Delineation of drainage areas 3.8.3 Discussion on the methodologies and

results

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4. PAVEMENT DESIGN c/o ENGR. GELBERT SILOT 4.1 Design Requirements

4.1.1 Design Life

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4.1.2 Traffic Data

4.1.3 Reliability

4.1.4 Serviceability

4.1.5 Material Properties for Design 4.1.6 Pavement Structural Characteristics

4.1.7 Pavement Design

4.2 Material Testing Requirement of Subbase, Surface Course 4.2.1 California Bearing Ratio(CBR) 4.2.2 Abrasion 4.2.3 Moisture Density Relation Test 4.2.4 Natural Moisture Content 4.2.5 Grading Analysis 4.2.6 Atterberg Limits( LL/PL/PI) 4.2.7 Specific Gravity 4.2.8 Clay Lumps 4.2.9 Flakiness Index 4.2.10 Soundness Test 4.2.11 Unit Weight Test 4. 4.3 Materials Map

5. GEOTECHNICAL 5.1 Foundation Investigation/Laboratory Test Data 5.2 Design Soil Parameters 5.3 Road Cut and Embankment Slope Protection

5.3.1 refer to DPWH D.O 68 5.3.2 Details e.g. Weep holes, granular fill

5.4 Fill Behind Wall (granular materials) 5.5 Slope Protection Works (Stone Masonry vs

Concrete Retaining Wall) 5.6 Embankment Stability Analysis

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6. QUANTITY AND COST ESTIMATE 6.1 Quantity Calculations 6.2 Unit Price Analysis (including loading cycle

analysis) 6.2.1 Distance of Material Source/Quarry

from Project Site 6.2.2 Unit Prices of Commercial Materials 6.2.3 Unit Prices of Processed Materials 6.2.4 Labor & Equipment Rates

6.3 Project Schedule & S-Curve 6.4 PERT-CPM 6.5 List of Minimum Manpower and Equipment

Crew 6.6 List of Minimum Equipment Requirement

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7. DRAWINGS 7.1 General

7.1.1 Table of Contents 7.1.2 Lay-Out Plan, Location Map and Key

Map 7.1.3 Legends, Abbreviations and Symbols 7.1.4 General Notes (road, drainage and

structure) 7.1.5 Material Source Map

7.2 Roadway 7.2.1 Typical Roadway Sections 7.2.2 Plan and Profile

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Commented [GJ1]: Not linked to Section 5 – Geotechnical?

Commented [NJ2R1]:

Commented [GJ3]: Not linked to Section 5 – Geotechnical?

7.2.3 Schedule of Guardrails, Slope Protection and Road Signs

7.2.4 Cross Sections 7.3 Road Standards And Details 7.4 Drainage Standard and Details 7.5 Drainage Schedule and Cross Sections

7.5.1 Drainage and Line Canal Schedule 7.5.2 Drainage Cross Sections

7.6 Miscellaneous 7.6.1 Project Information Sign Detail

8. COMMUNITY CONSULTATION DOCUMENTATION o o