diff --git a/scripts/proposals/NovaFeeSweep/patchProposal.ts b/scripts/proposals/NovaFeeSweep/patchProposal.ts
new file mode 100644
index 00000000..c2112d9a
--- /dev/null
+++ b/scripts/proposals/NovaFeeSweep/patchProposal.ts
@@ -0,0 +1,66 @@
+// takes proposal data as input and adds a transaction to sweep ETH from the L1 Timelock alias on Nova
+// context: https://www.tally.xyz/gov/arbitrum/proposal/108288822474129076868455956066667369439381709547570289793612729242368710728616
+
+import { BigNumber, ethers } from 'ethers'
+import {
+  IInbox__factory,
+  L1ArbitrumTimelock__factory,
+} from '../../../typechain-types'
+import { JsonRpcProvider } from '@ethersproject/providers'
+
+;(async () => {
+  // this is the bianca payload and serves as an example
+  // TODO: this should be replaced with some future proposal
+  const inputData =
+    '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'
+
+  const l1TimelockAlias = '0xf7951d92b0c345144506576ec13ecf5103ac905a'
+  const novaInbox = '0xc4448b71118c9071Bcb9734A0EAc55D18A153949'
+  const novaToParentRouter = '0x36D0170D92F66e8949eB276C3AC4FEA64f83704d'
+  const maxL1GasPrice = ethers.utils.parseUnits('1000', 'gwei') // used to calculate maxSubmissionCost
+  const aliasBalance = await new JsonRpcProvider('https://nova.arbitrum.io/rpc').getBalance(l1TimelockAlias)
+
+  const timelockIface = L1ArbitrumTimelock__factory.createInterface()
+  const inboxIface = IInbox__factory.createInterface()
+
+  const maxSubmissionCost = calcSubmissionCost(maxL1GasPrice)
+
+  const unsafeCreateRetryableCalldata = inboxIface.encodeFunctionData(
+    'unsafeCreateRetryableTicket',
+    [
+      novaToParentRouter, // to
+      aliasBalance.sub(maxSubmissionCost), // l2CallValue
+      maxSubmissionCost, // maxSubmissionCost
+      novaToParentRouter, // excessFeeRefundAddress
+      novaToParentRouter, // callValueRefundAddress
+      0, // gasLimit
+      0, // maxFeePerGas
+      '0x', // calldata
+    ]
+  )
+
+  const decodedScheduleBatch = timelockIface.decodeFunctionData(
+    'scheduleBatch',
+    inputData
+  )
+
+  const patchedScheduleBatchCalldata = timelockIface.encodeFunctionData(
+    'scheduleBatch',
+    [
+      [...decodedScheduleBatch[0], novaInbox],
+      [...decodedScheduleBatch[1], 0],
+      [...decodedScheduleBatch[2], unsafeCreateRetryableCalldata],
+      decodedScheduleBatch[3],
+      decodedScheduleBatch[4],
+      decodedScheduleBatch[5],
+    ]
+  )
+
+  console.log(patchedScheduleBatchCalldata)
+})()
+
+function calcSubmissionCost(baseFee: BigNumber) {
+  // data length is zero
+  // from the contract: return (1400 + 6 * dataLength) * (baseFee == 0 ? block.basefee : baseFee);
+  return baseFee.mul(1400)
+}