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Grade
Staff (RL/INS/IL)
Notebook
Diagram
Manholes
Pipe Volume
Pressure Test
Pressure Loss
Min Grades (AS3500)
Concrete
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Field utilities: grades, staff RL/INS/IL, manholes, volumes, pressure, min grades, concrete, planner.
Planner
Grade
Staff (RL / INS / IL)
Notebook
Diagram
Manholes
Pipe Volume
Pressure Test
Pressure Loss
Min Grades (AS3500)
Concrete
>
Grade
Rise (m)
Run (m)
Calculate
Clear
—
Grade % = (rise ÷ run) × 100 • mm/m = (rise ÷ run) × 1000
RL + ST = INS (metres)
RL (m)
ST (m)
INS (m)
Calculate INS
Clear
—
INS − IL = ST (metres)
INS (m)
IL (m)
ST (m)
Calculate ST
Clear
—
Tip: After you compute INS above, it copies here automatically.
Notebook — Setup (top left)
RL (m)
ST (m)
INS (m)
Calculate INS
Use current Staff values
Set these as Staff values
INS in use: —
This setup is shared with the Staff tab (RL + ST = INS). Update it here or there — both stay in sync.
Today’s Notes (auto-save) — rows of 3
Export day
Clear day
Auto-saves on every change. Resets each day.
RL / INS / IL Diagram
Refresh
Print
Enter values on the Staff tab, then Refresh.
Sewer / Stormwater Manhole Build-ups
System
Sewer
Stormwater
Depth FSL → IL (m)
Aspro (mm)
150
180
Include 50 mm lid?
Yes (50)
No
Include 315 mm lintel (stormwater only)
No
Yes (315)
Available ring sizes (mm)
150
300
450
600
750
900
1200
1500
Optional fine-tune: one
spacer ring 100 mm
may be suggested if it improves the fit.
Build stack
Clear
—
Pipe Volume (fill water)
Internal Diameter (mm)
15
20
25
32
40
50
63
70
80
90
100
150
225
300
375
Length (m)
Calculate
Clear
—
Volume (L) = π × (ID/1000)^2 ÷ 4 × Length × 1000.
Hydro Pressure Test — Logger
Section length (m)
Internal diameter (mm)
Target test pressure (kPa)
Allowable drop (kPa)
Note / location
Start test
Add reading
Clear log
—
#
Time
kPa
ΔkPa
kPa/min
Status
—
Tap
Start test
, then log gauge readings with
Add reading
.
Pressure Converters
kPa
bar
Metres head (m)
1 bar ≈ 100 kPa • 1 m head ≈ 9.80665 kPa.
Pressure Loss (Hazen–Williams)
Internal diameter (mm)
15
20
25
32
40
50
63
70
80
90
100
150
225
300
375
Flow (L/s)
Length (m)
C-factor
Calculate
Quick table
Clear
—
Formula (SI): headloss h (m) = 10.67 × L × Q^1.852 / ( C^1.852 × d^4.8704 ). L(m), Q(m³/s), d(m).
Flow (L/s)
m/100 m
Headloss (m)
ΔP (kPa)
Use
Quick table
to generate losses for multiple flows.
Planner — Water & Drain Layout
Upload floor plan / photo
Scale distance between two taps (m)
Set Scale
Material
PEX Roll 50m
PEX Roll 100m
Copper Sticks 6m
PVC Sticks 6m
Pipe Size (mm)
15
20
25
32
40
50
65
80
100
Start Trace
Undo
Clear
Export CSV
Total: —
Routing snaps to horizontal/vertical only — no diagonals.
Minimum Grades — AS3500
Table
Sewer
Stormwater
Pipe (mm)
Min grade (%)
mm per m
Choose Sewer or Stormwater to view the table.
Quick Calculator — Pipe
Run (m)
Compute min fall
—
Tables reflect typical AS3500.3 values; always check local authority requirements.
Concrete — Slab / Pad
Length (m)
Width (m)
Thickness (m)
Calculate
Add to totals
Clear
—
V = L × W × T
Concrete — Footing / Beam / Trench
Length (m)
Width (m)
Depth (m)
Calculate
Add to totals
Clear
—
V = L × W × D
Concrete — Cylinder (pier/column)
Diameter (mm)
Height (m)
Calculate
Add to totals
Clear
—
V = π × (D/1000)^2 ÷ 4 × H
Concrete — Thrust Block (Pyramid / Frustum)
Mode
Pyramid
Frustum
Height (m)
Base Length (m)
Base Width (m)
Top Length (m)
Top Width (m)
Base Length (m)
Base Width (m)
Calculate
Add to totals
Clear
—
Pyramid: V=A×H/3. Frustum: V=H/3×(A₁+A₂+√(A₁A₂)).
Concrete — Totals
Add items from the calculators above. Subtotal uses exact m³; “Order” adds 5% waste and rounds
up
to 0.1 m³.
Copy summary
Clear all
Item
Description
m³
Subtotal
0.000
Order (5% waste, ↑0.1)
0.0
No items yet — calculate above and tap “Add to totals”.