Residential Voluntary Tier 1

[aembed:http://www.youtube.com/watch?v=jhKrkYLu25Y]

RESIDENTIAL VOLUNTARY TIER 1

• Topsoil protection, 20% permeable paving, cool roofs
• Exceed T-24 by 15%
• 35% outdoor water savings, low flow kitchen sink
• 20% cement reduction, 10% recycled content, 65% C&D waste diversion
• 80% resilient floor requirements, low-VOC insulation
• PLUS 10 electives

California Green Building Code 01.01.2011

RESIDENTIAL VOLUNTARY TIER 2

• Topsoil protection, 30% permeable paving, cool roofs
• Exceed T-24 by 30%
• 40% outdoor water savings, low flow kitchen sink, dishwasher requirements
• 25% cement reduction, 15% recycled content, 75% C&D waste diversion
• 90% resilient floor requirements, low-VOC insulation
• PLUS 17 electives

Green Building Rating (LEED and GPR)

California Green Building Code

BAWSCA Ordinances

Bay Area Water Supply and Conservation Agency

Existing Local Code

NONRES / LEED-NC

Mandatory            Tier 1 Tier 2

+5              +15

PREREQUISITES (min 8)

definite                           4               5            5

strong                            2                2            2

slight                                        1            1            1

none                                        1

negative

CREDITS (min 40)

definite                           2           6             19

strong                            2           9               9

slight                                      12           8               6

none                                      94          87            76

negative

mandatory

RES / GPR RES / GPR

Mandatory            Tier 1 Tier 2

+10              +17

PREREQUISITES (min 3)

definite                           1                2             2

strong                            1                1             1

slight

none                                        1

negative

CREDITS (min 50)

definite                          19           6             91

strong                           24          9              23

slight                                       11           8               7

none                                     100          87          100

negative

RES / GPR RES / GPR

CALIFORNIA GREEN BUILDING CODE

MANDATORY                         Tier1                                    Tier2

Non-Res       LEED                                     Leed                           Leed

4 of 8 prereqs                                     5 of 8 Prereqs                        5 of 8 prereqs

~15 pts                                     ~30 pts                                    ~40pts

not certified                                     not certified                        not certified

Res                        GPR                                                GPR                                    GPR

1 of 3 prereqs                                     2 of 3 Prereqs                        2 of 3 prereqs

~30 pts                                     ~70 pts                                    ~100pts